Washington County, county in Oregon, United States. As of 2020 county had an estimated population of 603,514 inhabitants. The county was created 180 years ago in 1843. Its county seat is "Hillsboro".
There are 21 city/town in Washington County, OR. 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, Tualatin population 27,481
Cities, Towns, Neighborhoods & Other Populated Places in Washington County.
City Name | Title | County | Population |
---|---|---|---|
Aloha | Unincorporated community in Washington County, Oregon, United States | Washington | 49,425 |
Banks | City in Oregon, USA | Washington | 2,034 |
Beaverton | City in Oregon, USA | Washington | 98,957 |
Bethany | Unincorporated community in Washington County, Oregon, United States | Washington | 20,646 |
Cedar Hills | City in Utah County, Utah, United States | Washington | 8,300 |
Cedar Mill | Unincorporated community in Washington County, Oregon | Washington | 14,546 |
Cornelius | City in Oregon, USA | Washington | 13,116 |
Durham | City in Oregon, USA | Washington | 1,908 |
Forest Grove | City in Oregon, USA | Washington | 25,442 |
Gaston | City in Oregon, USA | Washington | 715 |
Hillsboro | City in Oregon, USA | Washington | 110,985 |
King City | City in Oregon, USA | Washington | 4,408 |
Metzger | Unincorporated community, in Washington County, Oregon | Washington | 3,765 |
North Plains | City in Oregon, USA | Washington | 2,194 |
Oak Hills | Census-designated place in Washington County, Oregon, United States | Washington | 11,333 |
Raleigh Hills | Census-designated neighborhood in Washington County, Oregon, United States | Washington | 5,896 |
Rockcreek | Unincorporated community in Oregon | Washington | 9,316 |
Sherwood | City in Oregon, USA | Washington | 19,746 |
Tigard | City in Oregon, USA | Washington | 56,049 |
Tualatin | City in Oregon, USA | Washington | 27,481 |
West Slope | Unincorporated suburb of Portland, in Washington County, Oregon, U. | Washington | 6,554 |