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Washington County, Oregon

March 25, 2023

Washington County is one of 36 counties in the U.S. state of Oregon and part of the Portland metropolitan area. The 2020 census recorded the population as 600,372,[1] making it the second most populous county in the state and most populous "Washington County" in the United States. Hillsboro is the county seat and largest city,[2][3] while other major cities include Beaverton, Tigard, Cornelius, Banks, Gaston, Sherwood, North Plains, and Forest Grove, the county's oldest city.[4] Originally named Twality when created in 1843, the Oregon Territorial Legislature renamed it for the nation's first president in 1849 and included the entire northwest corner of Oregon before new counties were created in 1854. The Tualatin River and its drainage basin lie almost entirely within the county, which shares its boundaries with the Tualatin Valley. It is bordered on the west and north by the Northern Oregon Coast Range, on the south by the Chehalem Mountains, and on the north and east by the Tualatin Mountains, or West Hills.

Washington County
County
From top, left to right: Washington County courthouse, Meier Road Barn, a canola field in rural Washington County
Seal
Location within the U.S. state of Oregon
Oregon's location within the U.S.
Coordinates: 45°34′N 123°05′W / 45.56°N 123.09°W / 45.56; -123.09
Country United States
State Oregon
FoundedJuly 5, 1843 (as Twality District)
Named forGeorge Washington
SeatHillsboro
Largest cityHillsboro
Area
 • Total726 sq mi (1,880 km2)
 • Land724 sq mi (1,880 km2)
 • Water2.2 sq mi (6 km2)  0.3%%
Population
 (2020)
 • Total600,372
 • Estimate 
(2021)
600,811
 • Density830/sq mi (320/km2)
Time zoneUTC−8 (Pacific)
 • Summer (DST)UTC−7 (PDT)
Congressional district1st
Websitewww.washingtoncountyor.gov

Major roads include sections of Interstate 5 and 205, the Sunset Highway, Oregon Route 217, 47, 10, 6 and 8. Public transportation is primarily operated by TriMet and includes buses, the Westside Express Service commuter rail, and MAX Light Rail. Other transportation includes air travel at Hillsboro Airport, private airfields and heliports, and heavy rail cargo on rail lines.

History

 
County jail in Hillsboro
See also: David Hill, Tabitha Moffatt Brown, and Joseph Meek

The Provisional Legislature of Oregon created the county as Twality District on July 5, 1843. Twality was one of the original four districts of the Provisional Government of Oregon in Oregon Country along with Clackamas, Champooick (later Marion), and Yamhill counties. Columbia, later known as Hillsboro, was selected as the county seat in 1850. Washington County lost significant portions of its original area when Columbia and Multnomah counties were created in 1854. The county area was increased by 160 acres (65 ha) in 2014 when a section of Multnomah County was attached to Washington.[5] The area was returned to Washington County to allow for property development.[6]

The construction of Canyon Road to Beaverton helped Portland to consolidate its position as the primary port of Oregon, and defeat the rival efforts of settlements such as Oregon City and Milwaukie.

In November 2004, the County and the City of Beaverton agreed to a plan where the city would annex both unincorporated residential neighborhoods as well as high-value areas of land. This would result with Cedar Hills, Garden Home, Raleigh Hills, West Slope being incorporated by 2010, and the communities of Aloha, Bethany, and Cedar Mill at some point after that.

Those plans have since been put on hold after Beaverton attempted to annex Nike, Inc.'s World Headquarters, which would have increased Nike's taxes substantially. Nike successfully lobbied the legislature for a law that would prohibit their annexation for 99 years. Since that decision, annexation plans have been halted, and Washington County started urban planning to provide city-level services to the unincorporated urban areas in the county.[7]

Geography

According to the United States Census Bureau, the county has a total area of 726 square miles (1,880 km2), of which 724 square miles (1,880 km2) is land and 2.2 square miles (5.7 km2) (0.3%) is water.[8] It is located approximately 20 miles (32 km) to the west of Portland. The Portland Metro Urban Growth Boundary (UGB) bisects the county. The county's highest point is South Saddle Mountain at 3,464 feet (1,056 m) above sea level in the Northern Oregon Coast Range.[9]

Most of the county is in the Tualatin Valley, formed by the Tualatin Mountains to the east and north, the Chehalem Mountains to the south, and the Northern Oregon Coast Range to the west and north. The Tualatin River, located almost entriely within the county, flows through the Tualatin Plains. The northern and western portions of the county are forested, while the remainder of the county includes urban areas, agricultural lands, and floodplains.[10]

Waterways

The Tualatin River is the main river in Washington County. Henry Hagg Lake, southwest of Forest Grove, is the largest lake. The Willamette River lies to the east, the Columbia River to the northeast, and the Pacific Ocean to the west of the county.

Adjacent counties

 
Map of Washington County

Major highways

National protected areas

Demographics

Historical population
CensusPop.Note%±
18502,652—
18602,8015.6%
18704,26152.1%
18807,08266.2%
189011,97269.0%
190014,46720.8%
191021,52248.8%
192026,37622.6%
193030,27514.8%
194039,19429.5%
195061,26956.3%
196092,23750.5%
1970157,92071.2%
1980245,80855.7%
1990311,55426.7%
2000445,34242.9%
2010529,71018.9%
2020600,37213.3%
2021 (est.)600,811[11]0.1%
U.S. Decennial Census[12]
1790–1960[13] 1900–1990[14]
1990–2000[15] 2010–2020[1]

2000 census

As of the 2000 census,[16] there were 445,342 people, 169,162 households, and 114,015 families in the county. The population density was 615/sqmi (238/km2). There were 178,913 housing units at an average density of 247/sqmi (95/km2). The racial makeup of the county was 82.19% White, 1.15% Black or African American, 0.65% Native American, 6.68% Asian, 0.30% Pacific Islander, 5.86% from other races, and 3.17% from two or more races. 11.17% of the population were Hispanic or Latino of any race. 17.2% were of German, 9.9% English, 8.2% Irish, and 6.7% American ancestry. 81.7% spoke only English at home, while 9.6% spoke Spanish and 1.2% Vietnamese.

There were 169,162 households, out of which 35.60% had children under the age of 18 living with them, 54.50% were married couples living together, 9.00% had a female householder with no husband present, and 32.60% were non-families. 24.70% of all households were made up of individuals, and 6.70% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.14.

The county population contained 26.90% under the age of 18, 9.30% from 18 to 24, 34.10% from 25 to 44, 20.90% from 45 to 64, and 8.80% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 99.10 males. For every 100 females age 18 and over, there were 97.00 males.

The median income for a household in the county was $52,122, and the median income for a family was $61,499. Males had a median income of $43,304 versus $31,074 for females. The per capita income for the county was $24,969. About 4.90% of families and 7.40% of the population were below the poverty line, including 8.30% of those under age 18 and 5.30% of those age 65 or over.

2010 census

As of the 2010 census, there were 529,710 people, 200,934 households, and 134,323 families residing in the county.[17] The population density was 731.4 inhabitants per square mile (282.4/km2). There were 212,450 housing units at an average density of 293.3 per square mile (113.2/km2).[18] The racial makeup of the county was 76.6% white, 8.6% Asian, 1.8% black or African American, 0.7% American Indian, 0.5% Pacific islander, 7.5% from other races, and 4.3% from two or more races. Those of Hispanic or Latino origin made up 15.7% of the population.[17] In terms of ancestry, 20.8% were German, 12.4% were English, 12.1% were Irish, and 3.2% were American.[19]

Of the 200,934 households, 36.0% had children under the age of 18 living with them, 52.2% were married couples living together, 10.1% had a female householder with no husband present, 33.2% were non-families, and 25.1% of all households were made up of individuals. The average household size was 2.60 and the average family size was 3.14. The median age was 35.3 years.[17]

The median income for a household in the county was $62,574 and the median income for a family was $76,778. Males had a median income of $54,417 versus $40,254 for females. The per capita income for the county was $30,522. About 6.7% of families and 9.5% of the population were below the poverty line, including 12.5% of those under age 18 and 6.7% of those age 65 or over.[20]

Government

The county is governed by an elected board of five commissioners. The county is divided into four commissioner districts. One commissioner sits for each district, and the fifth commissioner is at-large and is the Chair of the board.[21]

Politics

Like all of the Willamette Valley and Oregon Coast, Washington County was in its pre-Depression history strongly Republican. After Oregon achieved statehood in 1859, Washington County voted for the Republican Presidential nominee in every presidential election from 1860 to 1928, except in the 1912 presidential election when the county supported Progressive Party candidate and former Republican President, Theodore Roosevelt.[22] In 1932, Franklin D. Roosevelt became the first Democrat to carry the Washington County vote, and he repeated this in 1936 and 1940. Between 1944 and 1988, Washington County was never won by a Democrat except in Lyndon B. Johnson's 1964 landslide. As late as 1976, Washington County was the second-most Republican county in the state of Oregon behind remote Malheur,[23] with Gerald Ford's 17,529 vote victory in the county being decisive in carrying the state of Oregon for him during that year's Presidential election.

Since the 1990s, the increasing drift of the Republican Party nationally towards the South and evangelicalism, along with urbanization, has resulted in a strong shift of Washington County towards the Democratic Party. No Republican Presidential candidate has carried Washington County since George Bush Sr. did so in 1988, and in three of the past four Presidential elections, Barack Obama, Hillary Clinton and Joe Biden have carried the county by over twenty percentage points. The last Republican to win a statewide election in Washington County was Gordon H. Smith in the 2002 Senate contest. In the 2008 Senatorial election Democrat Jeff Merkley won 48.8 percent of the county's vote (111,367) while Republican incumbent Smith won 46.5 percent (106,114),[24] but no subsequent Republican Senate candidate has won 40 percent of the county's vote. In the 2020 presidential election, Democrat Joe Biden hit 65.5% of the county's vote, the highest ever for a Democratic presidential nominee.

United States presidential election results for Washington County, Oregon[25]
Year Republican Democratic Third party
No.  % No.  % No.  %
2020 99,073 30.93% 209,940 65.54% 11,313 3.53%
2016 83,197 30.90% 153,251 56.92% 32,784 12.18%
2012 93,974 39.65% 135,291 57.08% 7,758 3.27%
2008 89,185 37.69% 141,544 59.82% 5,903 2.49%
2004 107,223 46.36% 121,140 52.37% 2,945 1.27%
2000 86,091 46.29% 90,662 48.75% 9,221 4.96%
1996 65,221 40.83% 76,619 47.96% 17,915 11.21%
1992 57,146 34.18% 67,528 40.39% 42,521 25.43%
1988 67,018 51.87% 59,837 46.31% 2,356 1.82%
1984 75,877 62.76% 44,602 36.89% 417 0.34%
1980 57,165 51.34% 37,915 34.05% 16,275 14.62%
1976 52,376 57.80% 34,847 38.46% 3,388 3.74%
1972 43,958 58.43% 27,890 37.07% 3,390 4.51%
1968 34,105 56.99% 22,943 38.34% 2,794 4.67%
1964 20,813 41.48% 29,081 57.95% 287 0.57%
1960 25,415 58.85% 17,736 41.07% 35 0.08%
1956 22,001 61.07% 14,027 38.93% 0 0.00%
1952 20,250 64.11% 11,191 35.43% 143 0.45%
1948 11,455 53.06% 9,424 43.65% 710 3.29%
1944 9,362 50.13% 9,110 48.78% 205 1.10%
1940 8,367 48.92% 8,626 50.44% 110 0.64%
1936 4,148 30.47% 8,641 63.48% 823 6.05%
1932 4,201 36.30% 6,824 58.96% 548 4.74%
1928 6,162 62.37% 3,544 35.87% 173 1.75%
1924 4,203 45.98% 2,103 23.01% 2,835 31.01%
1920 4,947 64.74% 2,262 29.60% 432 5.65%
1916 4,888 56.16% 3,363 38.64% 452 5.19%
1912 1,261 27.07% 1,429 30.67% 1,969 42.26%
1908 2,319 61.96% 1,153 30.80% 271 7.24%
1904 2,296 73.19% 492 15.68% 349 11.13%
1900 1,655 56.14% 1,114 37.79% 179 6.07%
1896 2,082 56.15% 1,566 42.23% 60 1.62%
1892 1,587 53.27% 293 9.84% 1,099 36.89%
1888 1,249 57.93% 838 38.87% 69 3.20%
1884 946 51.22% 766 41.47% 135 7.31%
1880 880 58.86% 578 38.66% 37 2.47%

Statewide elections

Previous gubernatorial election results
Year Democratic Republican Third parties
2018 55.49% 137,886 39.15% 97,286 5.36% 13,307
2014 51.45% 98,203 42.69% 81,484 5.57% 10,600
2010 49.62% 92,811 48.08% 89,926 2.30% 4,296
2006 59.09% 51,195 38.98% 33,777 1.93% 1,674
2002 64.92% 60,095 34.40% 31,844 0.68% 633
1998 66.83% 50,325 33.14% 24,956 0.03% 23
1994 57.68% 45,261 42.32% 33,210 0.00% 1

Economy

 
The Washington County Courthouse in Hillsboro

Washington County is centered on a fertile plain that attracted farmers before the first wagon trains. In 1997, orchards covered 8,403 acres (34 km2) of the county's lands and 1,163 acres (4.7 km2) were devoted to vineyards.[citation needed] Agriculture is still a major industry in Washington County, as are lumber, manufacturing, and food processing.

The development of a large electronics industry during the 1980s and 1990s is the dominating factor of the county economy, and contributing to the creation of Oregon's Silicon Forest. California-based Intel, Oregon's largest private-sector employer,[26] has its largest concentration of employees in the county, mainly in Hillsboro.[27] Other technology companies include Electro Scientific Industries, FEI Company, Qorvo, Tektronix, SolarWorld, Planar Systems, and EPSON.[28]

Nike, one of two Fortune 500 corporations based in Oregon, has its headquarters in Washington County. Until it was acquired by IBM, Sequent Computer Systems was headquartered near Nike. Other companies with headquarters in Washington County include optical instruments manufacturer Leupold & Stevens, Columbia Sportswear, and Reser's Fine Foods.

Communities

 
Part of The Round in Beaverton, with the Beaverton Central MAX light rail station in center.
 
Downtown Forest Grove in 1920

Cities

City 1990 population 2000 population 2010 population[29] Incorporated Notes
Banks 563 1,286 1,777 1921
Beaverton 53,310 76,129 89,803 1893
Cornelius 6,148 9,652 11,869 1893
Durham 748 1,382 1,351 1966
Forest Grove 13,559 17,708 21,083 1872
Gaston 563 600 637 1914
Hillsboro 37,520 70,187 91,611 1876 County seat
King City 2,060 1,949 3,111 1966
Lake Oswego 30,576 35,278 36,619 1910 Small portion, most in Clackamas County[30]
North Plains 972 1,605 1,947 1963
Portland 437,319 529,121 583,776 1851 Small portion, most in Multnomah County[31]
Rivergrove 294 324 289 1971 Small portion, most in Clackamas County
Sherwood 3,093 11,791 18,194 1893
Tigard 29,344 41,223 48,035 1961
Tualatin 15,013 22,791 26,054 1913
Wilsonville 7,106 13,991 19,509 1969 Small portion, most in Clackamas County[32]

Census-designated places

Unincorporated communities

See also

References

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved April 9, 2022.
  2. ^ Proehl, Risa S. (March 2009). (PDF). Population Research Center. Portland State University. p. 7. Archived from the original (PDF) on March 3, 2016. Retrieved May 5, 2009.
  3. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
  4. ^ "Incorporation dates". The Hillsboro Argus. October 19, 1976. pp. Communities, p. 21.
  5. ^ "Oregon Secretary of State: Washington County History". sos.oregon.gov. Retrieved April 1, 2018.
  6. ^ . Hillsboro Tribune. January 10, 2014. Archived from the original on January 16, 2014. Retrieved January 6, 2020.
  7. ^ "Appellate court rejects Beaverton annexation". The Oregonian. June 16, 2006.
  8. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved February 28, 2015.
  9. ^ . www.peakbagger.com. Archived from the original on April 1, 2018. Retrieved April 1, 2018.
  10. ^ ""Washington County OR" (Google Maps - accessed 19 October 2019)".
  11. ^ "Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2021". Retrieved April 9, 2022.
  12. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved February 28, 2015.
  13. ^ "Historical Census Browser". University of Virginia Library. Retrieved February 28, 2015.
  14. ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved February 28, 2015.
  15. ^ (PDF). United States Census Bureau. April 2, 2001. Archived from the original (PDF) on February 26, 2015. Retrieved February 28, 2015.
  16. ^ "U.S. Census website". United States Census Bureau. Retrieved January 31, 2008.
  17. ^ a b c "Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved February 23, 2016.
  18. ^ "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved February 23, 2016.
  19. ^ "Selected Social Characteristics in the US – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved February 23, 2016.
  20. ^ "Selected Economic Characteristics – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved February 23, 2016.
  21. ^ "Washington County, Oregon". www.co.washington.or.us. Retrieved April 1, 2018.
  22. ^ Menendez, Albert J.; The Geography of Presidential Elections in the United States, 1868-2004, pp. 284-286 ISBN 0786422173
  23. ^ David Leip. "1976 Presidential General Election Data Graphs – Oregon by County". uselectionatlas.org. Retrieved July 8, 2013.
  24. ^ David Leip. "2008 Senatorial General Election Results – Oregon". uselectionatlas.org. Retrieved July 8, 2013.
  25. ^ Leip, David. "Atlas of US Presidential Elections". uselectionatlas.org. Retrieved April 1, 2018.
  26. ^ "Intel in Oregon". Intel. Retrieved February 16, 2017.
  27. ^ "Oregon's largest private employer, Intel, announces plans to expand in Europe". opb. Retrieved November 11, 2022.
  28. ^ "Key Industries | City of Hillsboro, OR". www.hillsboro-oregon.gov. Retrieved November 11, 2022.
  29. ^ "2010 Census Redistricting Data (Public Law 94-171) Summary File". American FactFinder. United States Census Bureau. Retrieved August 12, 2011.[dead link]
  30. ^ City of Lake Oswego September 23, 2006, at the Wayback Machine
  31. ^ "PortlandOnline".
  32. ^ City of Wilsonville June 9, 2011, at the Wayback Machine

External links

 
Wikimedia Commons has media related to Washington County, Oregon.
  • Washington County Visitors Association

Coordinates: 45°34′N 123°05′W / 45.56°N 123.09°W / 45.56; -123.09

March 25, 2023
washington, county, oregon, washington, county, counties, state, oregon, part, portland, metropolitan, area, 2020, census, recorded, population, making, second, most, populous, county, state, most, populous, washington, county, united, states, hillsboro, count. Washington County is one of 36 counties in the U S state of Oregon and part of the Portland metropolitan area The 2020 census recorded the population as 600 372 1 making it the second most populous county in the state and most populous Washington County in the United States Hillsboro is the county seat and largest city 2 3 while other major cities include Beaverton Tigard Cornelius Banks Gaston Sherwood North Plains and Forest Grove the county s oldest city 4 Originally named Twality when created in 1843 the Oregon Territorial Legislature renamed it for the nation s first president in 1849 and included the entire northwest corner of Oregon before new counties were created in 1854 The Tualatin River and its drainage basin lie almost entirely within the county which shares its boundaries with the Tualatin Valley It is bordered on the west and north by the Northern Oregon Coast Range on the south by the Chehalem Mountains and on the north and east by the Tualatin Mountains or West Hills Washington CountyCountyFrom top left to right Washington County courthouse Meier Road Barn a canola field in rural Washington CountySealLocation within the U S state of OregonOregon s location within the U S Coordinates 45 34 N 123 05 W 45 56 N 123 09 W 45 56 123 09Country United StatesState OregonFoundedJuly 5 1843 as Twality District Named forGeorge WashingtonSeatHillsboroLargest cityHillsboroArea Total726 sq mi 1 880 km2 Land724 sq mi 1 880 km2 Water2 2 sq mi 6 km2 0 3 Population 2020 Total600 372 Estimate 2021 600 811 Density830 sq mi 320 km2 Time zoneUTC 8 Pacific Summer DST UTC 7 PDT Congressional district1stWebsitewww wbr washingtoncountyor wbr govMajor roads include sections of Interstate 5 and 205 the Sunset Highway Oregon Route 217 47 10 6 and 8 Public transportation is primarily operated by TriMet and includes buses the Westside Express Service commuter rail and MAX Light Rail Other transportation includes air travel at Hillsboro Airport private airfields and heliports and heavy rail cargo on rail lines Contents 1 History 2 Geography 2 1 Waterways 2 2 Adjacent counties 2 3 Major highways 2 4 National protected areas 3 Demographics 3 1 2000 census 3 2 2010 census 4 Government 5 Politics 5 1 Statewide elections 6 Economy 7 Communities 7 1 Cities 7 2 Census designated places 7 3 Unincorporated communities 8 See also 9 References 10 External linksHistory Edit County jail in Hillsboro See also David Hill Tabitha Moffatt Brown and Joseph Meek The Provisional Legislature of Oregon created the county as Twality District on July 5 1843 Twality was one of the original four districts of the Provisional Government of Oregon in Oregon Country along with Clackamas Champooick later Marion and Yamhill counties Columbia later known as Hillsboro was selected as the county seat in 1850 Washington County lost significant portions of its original area when Columbia and Multnomah counties were created in 1854 The county area was increased by 160 acres 65 ha in 2014 when a section of Multnomah County was attached to Washington 5 The area was returned to Washington County to allow for property development 6 The construction of Canyon Road to Beaverton helped Portland to consolidate its position as the primary port of Oregon and defeat the rival efforts of settlements such as Oregon City and Milwaukie In November 2004 the County and the City of Beaverton agreed to a plan where the city would annex both unincorporated residential neighborhoods as well as high value areas of land This would result with Cedar Hills Garden Home Raleigh Hills West Slope being incorporated by 2010 and the communities of Aloha Bethany and Cedar Mill at some point after that Those plans have since been put on hold after Beaverton attempted to annex Nike Inc s World Headquarters which would have increased Nike s taxes substantially Nike successfully lobbied the legislature for a law that would prohibit their annexation for 99 years Since that decision annexation plans have been halted and Washington County started urban planning to provide city level services to the unincorporated urban areas in the county 7 Geography EditAccording to the United States Census Bureau the county has a total area of 726 square miles 1 880 km2 of which 724 square miles 1 880 km2 is land and 2 2 square miles 5 7 km2 0 3 is water 8 It is located approximately 20 miles 32 km to the west of Portland The Portland Metro Urban Growth Boundary UGB bisects the county The county s highest point is South Saddle Mountain at 3 464 feet 1 056 m above sea level in the Northern Oregon Coast Range 9 Most of the county is in the Tualatin Valley formed by the Tualatin Mountains to the east and north the Chehalem Mountains to the south and the Northern Oregon Coast Range to the west and north The Tualatin River located almost entriely within the county flows through the Tualatin Plains The northern and western portions of the county are forested while the remainder of the county includes urban areas agricultural lands and floodplains 10 Waterways Edit The Tualatin River is the main river in Washington County Henry Hagg Lake southwest of Forest Grove is the largest lake The Willamette River lies to the east the Columbia River to the northeast and the Pacific Ocean to the west of the county Adjacent counties Edit Map of Washington County Clatsop County northwest Columbia County north Multnomah County east Clackamas County southeast Yamhill County south Tillamook County west Major highways Edit Interstate 5 freeway Interstate 205 freeway U S Route 26 freeway for part Oregon Route 6 Oregon Route 8 Oregon Route 10 Oregon Route 47 Oregon Route 99W Oregon Route 210 Oregon Route 217 freeway Oregon Route 219 National protected areas Edit Tualatin River National Wildlife Refuge part Demographics EditHistorical population CensusPop Note 18502 652 18602 8015 6 18704 26152 1 18807 08266 2 189011 97269 0 190014 46720 8 191021 52248 8 192026 37622 6 193030 27514 8 194039 19429 5 195061 26956 3 196092 23750 5 1970157 92071 2 1980245 80855 7 1990311 55426 7 2000445 34242 9 2010529 71018 9 2020600 37213 3 2021 est 600 811 11 0 1 U S Decennial Census 12 1790 1960 13 1900 1990 14 1990 2000 15 2010 2020 1 2000 census Edit As of the 2000 census 16 there were 445 342 people 169 162 households and 114 015 families in the county The population density was 615 sqmi 238 km2 There were 178 913 housing units at an average density of 247 sqmi 95 km2 The racial makeup of the county was 82 19 White 1 15 Black or African American 0 65 Native American 6 68 Asian 0 30 Pacific Islander 5 86 from other races and 3 17 from two or more races 11 17 of the population were Hispanic or Latino of any race 17 2 were of German 9 9 English 8 2 Irish and 6 7 American ancestry 81 7 spoke only English at home while 9 6 spoke Spanish and 1 2 Vietnamese There were 169 162 households out of which 35 60 had children under the age of 18 living with them 54 50 were married couples living together 9 00 had a female householder with no husband present and 32 60 were non families 24 70 of all households were made up of individuals and 6 70 had someone living alone who was 65 years of age or older The average household size was 2 61 and the average family size was 3 14 The county population contained 26 90 under the age of 18 9 30 from 18 to 24 34 10 from 25 to 44 20 90 from 45 to 64 and 8 80 who were 65 years of age or older The median age was 33 years For every 100 females there were 99 10 males For every 100 females age 18 and over there were 97 00 males The median income for a household in the county was 52 122 and the median income for a family was 61 499 Males had a median income of 43 304 versus 31 074 for females The per capita income for the county was 24 969 About 4 90 of families and 7 40 of the population were below the poverty line including 8 30 of those under age 18 and 5 30 of those age 65 or over 2010 census Edit As of the 2010 census there were 529 710 people 200 934 households and 134 323 families residing in the county 17 The population density was 731 4 inhabitants per square mile 282 4 km2 There were 212 450 housing units at an average density of 293 3 per square mile 113 2 km2 18 The racial makeup of the county was 76 6 white 8 6 Asian 1 8 black or African American 0 7 American Indian 0 5 Pacific islander 7 5 from other races and 4 3 from two or more races Those of Hispanic or Latino origin made up 15 7 of the population 17 In terms of ancestry 20 8 were German 12 4 were English 12 1 were Irish and 3 2 were American 19 Of the 200 934 households 36 0 had children under the age of 18 living with them 52 2 were married couples living together 10 1 had a female householder with no husband present 33 2 were non families and 25 1 of all households were made up of individuals The average household size was 2 60 and the average family size was 3 14 The median age was 35 3 years 17 The median income for a household in the county was 62 574 and the median income for a family was 76 778 Males had a median income of 54 417 versus 40 254 for females The per capita income for the county was 30 522 About 6 7 of families and 9 5 of the population were below the poverty line including 12 5 of those under age 18 and 6 7 of those age 65 or over 20 Government EditThe county is governed by an elected board of five commissioners The county is divided into four commissioner districts One commissioner sits for each district and the fifth commissioner is at large and is the Chair of the board 21 Politics EditLike all of the Willamette Valley and Oregon Coast Washington County was in its pre Depression history strongly Republican After Oregon achieved statehood in 1859 Washington County voted for the Republican Presidential nominee in every presidential election from 1860 to 1928 except in the 1912 presidential election when the county supported Progressive Party candidate and former Republican President Theodore Roosevelt 22 In 1932 Franklin D Roosevelt became the first Democrat to carry the Washington County vote and he repeated this in 1936 and 1940 Between 1944 and 1988 Washington County was never won by a Democrat except in Lyndon B Johnson s 1964 landslide As late as 1976 Washington County was the second most Republican county in the state of Oregon behind remote Malheur 23 with Gerald Ford s 17 529 vote victory in the county being decisive in carrying the state of Oregon for him during that year s Presidential election Since the 1990s the increasing drift of the Republican Party nationally towards the South and evangelicalism along with urbanization has resulted in a strong shift of Washington County towards the Democratic Party No Republican Presidential candidate has carried Washington County since George Bush Sr did so in 1988 and in three of the past four Presidential elections Barack Obama Hillary Clinton and Joe Biden have carried the county by over twenty percentage points The last Republican to win a statewide election in Washington County was Gordon H Smith in the 2002 Senate contest In the 2008 Senatorial election Democrat Jeff Merkley won 48 8 percent of the county s vote 111 367 while Republican incumbent Smith won 46 5 percent 106 114 24 but no subsequent Republican Senate candidate has won 40 percent of the county s vote In the 2020 presidential election Democrat Joe Biden hit 65 5 of the county s vote the highest ever for a Democratic presidential nominee United States presidential election results for Washington County Oregon 25 Year Republican Democratic Third partyNo No No 2020 99 073 30 93 209 940 65 54 11 313 3 53 2016 83 197 30 90 153 251 56 92 32 784 12 18 2012 93 974 39 65 135 291 57 08 7 758 3 27 2008 89 185 37 69 141 544 59 82 5 903 2 49 2004 107 223 46 36 121 140 52 37 2 945 1 27 2000 86 091 46 29 90 662 48 75 9 221 4 96 1996 65 221 40 83 76 619 47 96 17 915 11 21 1992 57 146 34 18 67 528 40 39 42 521 25 43 1988 67 018 51 87 59 837 46 31 2 356 1 82 1984 75 877 62 76 44 602 36 89 417 0 34 1980 57 165 51 34 37 915 34 05 16 275 14 62 1976 52 376 57 80 34 847 38 46 3 388 3 74 1972 43 958 58 43 27 890 37 07 3 390 4 51 1968 34 105 56 99 22 943 38 34 2 794 4 67 1964 20 813 41 48 29 081 57 95 287 0 57 1960 25 415 58 85 17 736 41 07 35 0 08 1956 22 001 61 07 14 027 38 93 0 0 00 1952 20 250 64 11 11 191 35 43 143 0 45 1948 11 455 53 06 9 424 43 65 710 3 29 1944 9 362 50 13 9 110 48 78 205 1 10 1940 8 367 48 92 8 626 50 44 110 0 64 1936 4 148 30 47 8 641 63 48 823 6 05 1932 4 201 36 30 6 824 58 96 548 4 74 1928 6 162 62 37 3 544 35 87 173 1 75 1924 4 203 45 98 2 103 23 01 2 835 31 01 1920 4 947 64 74 2 262 29 60 432 5 65 1916 4 888 56 16 3 363 38 64 452 5 19 1912 1 261 27 07 1 429 30 67 1 969 42 26 1908 2 319 61 96 1 153 30 80 271 7 24 1904 2 296 73 19 492 15 68 349 11 13 1900 1 655 56 14 1 114 37 79 179 6 07 1896 2 082 56 15 1 566 42 23 60 1 62 1892 1 587 53 27 293 9 84 1 099 36 89 1888 1 249 57 93 838 38 87 69 3 20 1884 946 51 22 766 41 47 135 7 31 1880 880 58 86 578 38 66 37 2 47 Statewide elections Edit Previous gubernatorial election results Year Democratic Republican Third parties2018 55 49 137 886 39 15 97 286 5 36 13 3072014 51 45 98 203 42 69 81 484 5 57 10 6002010 49 62 92 811 48 08 89 926 2 30 4 2962006 59 09 51 195 38 98 33 777 1 93 1 6742002 64 92 60 095 34 40 31 844 0 68 6331998 66 83 50 325 33 14 24 956 0 03 231994 57 68 45 261 42 32 33 210 0 00 1Economy Edit The Washington County Courthouse in Hillsboro Washington County is centered on a fertile plain that attracted farmers before the first wagon trains In 1997 orchards covered 8 403 acres 34 km2 of the county s lands and 1 163 acres 4 7 km2 were devoted to vineyards citation needed Agriculture is still a major industry in Washington County as are lumber manufacturing and food processing The development of a large electronics industry during the 1980s and 1990s is the dominating factor of the county economy and contributing to the creation of Oregon s Silicon Forest California based Intel Oregon s largest private sector employer 26 has its largest concentration of employees in the county mainly in Hillsboro 27 Other technology companies include Electro Scientific Industries FEI Company Qorvo Tektronix SolarWorld Planar Systems and EPSON 28 Nike one of two Fortune 500 corporations based in Oregon has its headquarters in Washington County Until it was acquired by IBM Sequent Computer Systems was headquartered near Nike Other companies with headquarters in Washington County include optical instruments manufacturer Leupold amp Stevens Columbia Sportswear and Reser s Fine Foods Communities Edit Part of The Round in Beaverton with the Beaverton Central MAX light rail station in center Downtown Forest Grove in 1920 Cities Edit City 1990 population 2000 population 2010 population 29 Incorporated NotesBanks 563 1 286 1 777 1921Beaverton 53 310 76 129 89 803 1893Cornelius 6 148 9 652 11 869 1893Durham 748 1 382 1 351 1966Forest Grove 13 559 17 708 21 083 1872Gaston 563 600 637 1914Hillsboro 37 520 70 187 91 611 1876 County seatKing City 2 060 1 949 3 111 1966Lake Oswego 30 576 35 278 36 619 1910 Small portion most in Clackamas County 30 North Plains 972 1 605 1 947 1963Portland 437 319 529 121 583 776 1851 Small portion most in Multnomah County 31 Rivergrove 294 324 289 1971 Small portion most in Clackamas CountySherwood 3 093 11 791 18 194 1893Tigard 29 344 41 223 48 035 1961Tualatin 15 013 22 791 26 054 1913Wilsonville 7 106 13 991 19 509 1969 Small portion most in Clackamas County 32 Census designated places Edit Aloha Bethany Bull Mountain Cedar Hills Cedar Mill Cherry Grove Dilley Garden Home Whitford Marlene Village Metzger Oak Hills Raleigh Hills Rockcreek West Haven Sylvan West Slope Unincorporated communities Edit Bacona Balm Grove Blooming Bonita Bonny Slope Bradley Corner Buckheaven Buxton Carnation Chehalem Dixie Elmonica Farmington Gales Creek Glencoe Glenwood Hayward Hazeldale Helvetia Hillside Huber Kansas City Kinton Laurel Laurelwood Manning Middleton Midway Mountaindale Mulloy Norwood Orenco Patton Progress Reedville Roy Scholls Six Corners Somerset West Tanasbourne Thatcher Timber Tobias Verboort Watts West Union Wilkesboro Witch HazelSee also EditNational Register of Historic Places listings in Washington County Oregon Washington County Museum L L Stub Stewart State Park Ki a Kuts Falls Washington County Jail Washington County CourthouseReferences Edit a b State amp County QuickFacts United States Census Bureau Retrieved April 9 2022 Proehl Risa S March 2009 2008 Oregon Population Report PDF Population Research Center Portland State University p 7 Archived from the original PDF on March 3 2016 Retrieved May 5 2009 Find a County National Association of Counties Retrieved June 7 2011 Incorporation dates The Hillsboro Argus October 19 1976 pp Communities p 21 Oregon Secretary of State Washington County History sos oregon gov Retrieved April 1 2018 County welcomes Area 93 in new year Hillsboro Tribune January 10 2014 Archived from the original on January 16 2014 Retrieved January 6 2020 Appellate court rejects Beaverton annexation The Oregonian June 16 2006 2010 Census Gazetteer Files United States Census Bureau August 22 2012 Retrieved February 28 2015 South Saddle Mountain Peakbagger com www peakbagger com Archived from the original on April 1 2018 Retrieved April 1 2018 Washington County OR Google Maps accessed 19 October 2019 Annual Estimates of the Resident Population for Counties April 1 2020 to July 1 2021 Retrieved April 9 2022 U S Decennial Census United States Census Bureau Retrieved February 28 2015 Historical Census Browser University of Virginia Library Retrieved February 28 2015 Forstall Richard L ed March 27 1995 Population of Counties by Decennial Census 1900 to 1990 United States Census Bureau Retrieved February 28 2015 Census 2000 PHC T 4 Ranking Tables for Counties 1990 and 2000 PDF United States Census Bureau April 2 2001 Archived from the original PDF on February 26 2015 Retrieved February 28 2015 U S Census website United States Census Bureau Retrieved January 31 2008 a b c Profile of General Population and Housing Characteristics 2010 Demographic Profile Data United States Census Bureau Archived from the original on February 13 2020 Retrieved February 23 2016 Population Housing Units Area and Density 2010 County United States Census Bureau Archived from the original on February 13 2020 Retrieved February 23 2016 Selected Social Characteristics in the US 2006 2010 American Community Survey 5 Year Estimates United States Census Bureau Archived from the original on February 13 2020 Retrieved February 23 2016 Selected Economic Characteristics 2006 2010 American Community Survey 5 Year Estimates United States Census Bureau Archived from the original on February 13 2020 Retrieved February 23 2016 Washington County Oregon www co washington or us Retrieved April 1 2018 Menendez Albert J The Geography of Presidential Elections in the United States 1868 2004 pp 284 286 ISBN 0786422173 David Leip 1976 Presidential General Election Data Graphs Oregon by County uselectionatlas org Retrieved July 8 2013 David Leip 2008 Senatorial General Election Results Oregon uselectionatlas org Retrieved July 8 2013 Leip David Atlas of US Presidential Elections uselectionatlas org Retrieved April 1 2018 Intel in Oregon Intel Retrieved February 16 2017 Oregon s largest private employer Intel announces plans to expand in Europe opb Retrieved November 11 2022 Key Industries City of Hillsboro OR www hillsboro oregon gov Retrieved November 11 2022 2010 Census Redistricting Data Public Law 94 171 Summary File American FactFinder United States Census Bureau Retrieved August 12 2011 dead link City of Lake Oswego Archived September 23 2006 at the Wayback Machine PortlandOnline City of Wilsonville Archived June 9 2011 at the Wayback MachineExternal links Edit Wikimedia Commons has media related to Washington County Oregon Washington County Visitors Association Coordinates 45 34 N 123 05 W 45 56 N 123 09 W 45 56 123 09 Retrieved from https en wikipedia org w index php title Washington County Oregon amp oldid 1143612525, wikipedia, wiki, book, books, library,

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