Washington County, Oregon
Washington County: County in Oregon, United States
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 10 years in 2020 county had an estimated population of 603,514 inhabitants. Its county seat is Hillsboro. The county was created 180 years ago in 1842.
Quick Facts about Washington County
| Population : | 603,514 (2020) |
| 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 : | 07:36:03 (8th June 2023) |
| Density : | 321 Pop. per km² as of 2020 |
| Population growth : | 12.23% (2010-2020) |
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 map
Click "full screen" 
icon to open full mode. View satellite images
icon to open full mode. View satellite images
The largest city of Washington County is Hillsboro with a population of 110,985. Other cities include, Beaverton population 98,957, Tigard population 56,049, Aloha population 49,425 and Tualatin population 27,481. See all Washington County cities & populated places.
Washington County Populated Places (more)
Cities, Towns, Neighborhoods & Other Populated Places in Washington County.
| City Name | Population | Title |
|---|---|---|
| Hillsboro | 110,985 | City in Oregon, USA |
| Beaverton | 98,957 | City in Oregon, USA |
| Tigard | 56,049 | City in Oregon, USA |
| Aloha | 49,425 | Unincorporated community in Washington County, Oregon, United States |
| Tualatin | 27,481 | City in Oregon, USA |
| Forest Grove | 25,442 | City in Oregon, USA |
| Bethany | 20,646 | Unincorporated community in Washington County, Oregon, United States |
| Sherwood | 19,746 | City in Oregon, USA |
| Cedar Mill | 14,546 | Unincorporated community in Washington County, Oregon |
| Cornelius | 13,116 | 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. |
| Raleigh Hills | 5,896 | Census-designated neighborhood in Washington County, Oregon, United States |
| King City | 4,408 | City in Oregon, USA |
- Official Website
Official website of Washington County
Washington County has 6 neighbours.
- Columbia County county in Oregon, United States
- Clackamas County county in Oregon, United States
- Clatsop County county in Oregon, United States
- Multnomah County county in Oregon, United States
- Tillamook County county in Oregon, United States
- Yamhill County county in Oregon, United States
- 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 12.23% in 10 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 |
| 2020 | 603,514 | 0.32% | 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, .
List
Other places with the same name (30)
- Washington County , Minnesota county in Minnesota, United States with a population of 265,476 people.
- Washington County , Arkansas county in Arkansas, United States with a population of 243,216 people.
- Washington County , Pennsylvania county in Pennsylvania, United States with a population of 206,803 people.
- Washington County , Utah county in southwestern Utah, United States with a population of 184,913 people.
- Washington County , Maryland county in Maryland, United States with a population of 151,146 people.
- Washington County , Wisconsin county in Wisconsin, United States with a population of 136,445 people.
- Washington County , Tennessee county in Tennessee, United States with a population of 130,367 people.
- Washington County , Rhode Island county in Rhode Island, United States with a population of 125,746 people.
- Washington County , New York county in New York, United States with a population of 60,606 people.
- Washington County , Ohio county in Ohio, United States with a population of 59,652 people.
- Washington County , Vermont county in Vermont, United States with a population of 58,328 people.
- Washington County , Virginia county in Virginia, United States with a population of 53,695 people.
- Washington County , Oklahoma county in Oklahoma, United States with a population of 52,222 people.
- Washington County , Mississippi county in Mississippi, United States with a population of 42,837 people.
- Washington County , Texas county in Texas, United States with a population of 35,771 people.
- Washington County , Maine county in Maine, United States with a population of 31,473 people.
- Washington County , Indiana county in Indiana, United States with a population of 28,213 people.
- Washington County , Florida county in Florida, United States with a population of 25,932 people.
- Washington County , Missouri county in Missouri, United States with a population of 24,604 people.
- Washington County , Iowa county in Iowa, United States with a population of 21,992 people.
- Washington County , Nebraska county in Nebraska, United States with a population of 20,901 people.
- Washington County , Georgia county in Georgia, United States with a population of 20,150 people.
- Washington County , Alabama county in Alabama, United States with a population of 15,976 people.
- Washington County , Illinois county in Illinois, United States with a population of 13,764 people.
- Washington County , Kentucky county in Kentucky, United States with a population of 12,147 people.
- Washington County , North Carolina county in North Carolina, United States with a population of 11,485 people.
- Washington County , Idaho county in Idaho, United States with a population of 10,194 people.
- Washington County , Kansas county in Kansas, United States with a population of 5,427 people.
- Washington County , Colorado county in Colorado, United States with a population of 4,875 people.
Oregon Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Multnomah County | 815,637 | County in Oregon, United States |
| Portland | 656,751 | City in Oregon, USA |
| Clackamas County | 421,596 | County in Oregon, United States |
| Lane County | 382,986 | County in Oregon, United States |
| Marion County | 349,204 | County in Oregon, United States |
| Jackson County | 221,844 | County in Oregon, United States |
| Deschutes County | 201,769 | County in Oregon, United States |
| Salem | 175,891 | City and capital of Oregon, USA |
| Eugene | 173,236 | City in Lane County, Oregon, United States |
| Linn County | 131,054 | County in Oregon, United States |
| Terrebonne | 117,664 | Census-designated place in Deschutes County, Oregon |
| Douglas County | 111,364 | County in Oregon, United States |
| Hillsboro | 110,985 | City in Oregon, USA |
| Gresham | 110,031 | City in Oregon, USA |
| Yamhill County | 107,664 | County in Oregon, United States |
| Bend | 101,886 | City in Oregon, USA |
