Washington County , Oregon

Washington County: County in Oregon, United States

Washington County locator map
Location of Washington County on Oregon map.

About

Washington County is a county located in the U.S. state of Oregon. As of the 2010 census, the population was 529,710 and a population density of 282 people per km². After 9 years in 2019 county had an estimated population of 601,592 inhabitants. Its county seat is Hillsboro. The county was created 178 years ago in 1842.

Geography

Washington County is located at 45°33'36"N 123°5'55"W (45.5600700, -123.0984900). It has 6 neighbors: Columbia County, Clackamas County, Clatsop County, Multnomah County, Tillamook County and Yamhill County.

Washington County Courthouse 'Washington County  Oregon scenic images' 'washD0007' image
Washington County Courthouse 'Washington County Oregon scenic images' 'washD0007'

The largest city of Washington County is Hillsboro with a population of 109,128. Other cities include, Beaverton population 99,037, Tigard population 55,514, Aloha population 49,425 and Tualatin population 27,837. See all Washington County cities & populated places.

Washington County Courthouse 'Washington County  Oregon scenic images' 'washD0007' image

Washington County map

Washington County Quick Facts

Population : 601,592 (2019)
Country : United States of America
State : Oregon (United States)
Different from : Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington Parish, Washington County, Washington County, Washington County, Washington County, Washington County
Area : 1880 km2
Water as percent of area : 0.3%
Land as percent of area : 99.7%
Named for : George Washington
Capital : Hillsboro
Establishment : January 01, 1843
Time Zone : America/Los_Angeles
Local time : 02:55:43 (1st August 2021)
Density : 320 Pop. per km² as of 2019
Population growth : 11.95% (2010-2019)

Washington County has 6 neighbours.

  • Rivergrove
  • Wilsonville
  • North Plains
  • Tualatin
  • King City
  • Durham
  • Gaston
  • Aloha
  • Forest Grove
  • Bethany
  • West Slope
  • Raleigh Hills
  • Portland
  • Tigard
  • Banks
  • Bull Mountain
  • Sherwood
  • Beaverton
  • Cornelius
  • Hillsboro
  • Rockcreek
  • Cedar Mill
  • West Haven-Sylvan
  • Metzger
  • Cedar Hills
  • Garden Home-Whitford
  • Oak Hills
  • Lake Oswego

Demographics

The population of Washington County increased by 11.95% in 9 years.

Year Population % Change Method
2010 529,710 - census
2011 540,967 2.08% estimation process
2012 548,524 1.38% estimation process
2013 555,264 1.21% estimation process
2014 562,316 1.25% estimation process
2015 572,664 1.81% estimation process
2016 584,910 2.09% estimation process
2017 591,336 1.09% estimation process
2018 596,904 0.93% estimation process
2019 601,592 0.78% estimation process

Comitatul Washington, Comte de Washington, Comté de Washington, Condado de Washington, Condado han Washington, Contea di Washington, Hrabstwo Washington, Okrug Vashington, Quan Washington, Quận Washington, Uoshingtun, Vashington, Vasington srjan, Washington, Washington Comitatus, Washington Kun, Washington Kūn, Washington konderria, Washington megye, Washingtoni maakond, hua sheng dun xian, mqatʿt washntn, raasintana ka'unti, shhrstan washyngtn awrgn, washinton jun, Вашингтон, Округ Вашингтон, Уошингтън, Վաշինգտոն շրջան, شهرستان واشینگتن، اورگن, مقاطعة واشنطن, واشنگٹن کاؤنٹی، اوریگون, ৱাশিংটন কাউন্টি, ワシントン郡, 華盛頓縣

People born in Washington County (3)

People born in Washington County, including politician William N. Barrett, Attorney, politician Jennifer Williamson, Mahlon Blaine, you can see a list of people who born in Washington County.

Other places with the same name (29)

Washington County Populated Places (more)

Cities, Towns, Neighborhoods & Other Populated Places in Washington County.

City Name Population Title
Hillsboro 109,128 City in Oregon, USA
Beaverton 99,037 City in Oregon, USA
Tigard 55,514 City in Oregon, USA
Aloha 49,425 Unincorporated community in Washington County, Oregon, United States
Tualatin 27,837 City in Oregon, USA
Forest Grove 25,553 City in Oregon, USA
Bethany 20,646 Unincorporated community in Washington County, Oregon, United States
Sherwood 19,879 City in Oregon, USA
Cedar Mill 14,546 Unincorporated community in Washington County, Oregon
Cornelius 12,822 City in Oregon, USA
Oak Hills 11,333 Census-designated place in Washington County, Oregon, United States
Rockcreek 9,316 Unincorporated community in Oregon
Cedar Hills 8,300 City in Utah County, Utah, United States
West Slope 6,554 Unincorporated suburb of Portland, in Washington County, Oregon, U.
West Haven 6,009
Raleigh Hills 5,896 Census-designated neighborhood in Washington County, Oregon, United States

Oregon Other Counties (more counties)

County Name Population Title
Oregon 4,217,737 State of the United States of America
Multnomah County 812,855 County in Oregon, United States
Portland 654,741 City in Oregon, USA
Clackamas County 418,187 County in Oregon, United States
Lane County 382,067 County in Oregon, United States
Marion County 347,818 County in Oregon, United States
Jackson County 220,944 County in Oregon, United States
Deschutes County 197,692 County in Oregon, United States
Salem 174,365 City and capital of Oregon, USA
Eugene 172,622 City in Lane County, Oregon, United States
Linn County 129,749 County in Oregon, United States
Terrebonne 117,664 Census-designated place in Deschutes County, Oregon
Douglas County 110,980 County in Oregon, United States
Gresham 109,381 City in Oregon, USA
Hillsboro 109,128 City in Oregon, USA
Yamhill County 107,100 County in Oregon, United States

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