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Where am ILOCATED

Washington County, Oregon

Washington County, Oregon, has 611,708 residents (July 2025 estimate). Its county seat is Hillsboro. It uses Pacific Time and covers 724 sq mi (1,876 km²) of land.

PortlandEugeneSalem
Washington County in Oregon
PortlandHillsboroBeavertonTigardAloha
Washington County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
611,708
Land area
724 sq mi (1,876 km²)
County seat or government
Hillsboro
Time zone
Pacific TimeUTC-08:00 in January; UTC-07:00 in July
Median household income
$107,772 ± $1,788
Median home value
$588,000 ± $4,727
Median rent, with utilities
$1,849 ± $16
Homes lived in by their owners
60.8% ± 0.8 points
County type
County
Metro or micro area
Portland-Vancouver-Hillsboro, OR-WA metro areaCentral county
Water area
2.36 sq mi (6.12 km²)
State
Oregon
County code (FIPS)
41067
Coordinates (central point)
45.553542, -123.097615
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Washington County

Time zoneLocal time and UTC offsetNext clock change
Pacific TimeAmerica/Los_AngelesUTC-08:00 in January; UTC-07:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 9722976,106 people
  2. 9712454,357 people
  3. 9722350,527 people
  4. 9712348,410 people
  5. 9700747,895 people
  6. 9700646,463 people
  7. 9721942,430 people
  8. 9722436,569 people
  9. 9713232,486 people
  10. 9711629,800 people
  11. 9706228,930 people
  12. 9700828,611 people
All 32
  1. 9700528,311 people
  2. 9714027,933 people
  3. 9700327,811 people
  4. 9707026,902 people
  5. 9703525,911 people
  6. 9722525,869 people
  7. 9707825,662 people
  8. 9711316,268 people
  9. 9722112,915 people
  10. 9705612,795 people
  11. 9721011,324 people
  12. 971335,416 people
  13. 971195,233 people
  14. 971064,855 people
  15. 972314,308 people
  16. 970643,855 people
  17. 97117982 people
  18. 97109730 people
  19. 97125248 people
  20. 9714466 people

32 ZIP Code areas overlap Washington County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Washington County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Washington County, largest first

  1. Portland School District 1J513,241 people
  2. Beaverton School District 48J294,537 people
  3. Hillsboro School District 1J141,231 people
  4. Tigard-Tualatin School District 23J85,054 people
  5. West Linn School District 3J52,142 people
  6. Forest Grove School District 1541,939 people
  7. Newberg School District 29J37,611 people
  8. Sherwood School District 88J33,870 people
  9. Scappoose School District 1J15,534 people
  10. Banks School District 136,840 people
  11. Vernonia School District 47J4,099 people
  12. Gaston School District 511J3,327 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Portland, Oregon (city)641,165 people
  2. Hillsboro, Oregon (city)108,231 people
  3. Beaverton, Oregon (city)97,812 people
  4. Tigard, Oregon (city)56,011 people
  5. Aloha, Oregon (CDP)52,389 people
  6. Lake Oswego, Oregon (city)40,381 people
  7. Bethany, Oregon (CDP)33,106 people
  8. Tualatin, Oregon (city)27,763 people
  9. Wilsonville, Oregon (city)26,974 people
  10. Forest Grove, Oregon (city)26,529 people
  11. Sherwood, Oregon (city)20,307 people
  12. Cedar Mill, Oregon (CDP)19,471 people
All 31
  1. Cornelius, Oregon (city)14,255 people
  2. Oak Hills, Oregon (CDP)11,131 people
  3. Bull Mountain, Oregon (CDP)9,865 people
  4. Rockcreek, Oregon (CDP)9,223 people
  5. Cedar Hills, Oregon (CDP)8,388 people
  6. West Haven-Sylvan, Oregon (CDP)7,674 people
  7. Garden Home-Whitford, Oregon (CDP)6,979 people
  8. Raleigh Hills, Oregon (CDP)6,744 people
  9. West Slope, Oregon (CDP)6,582 people
  10. Marlene Village, Oregon (CDP)5,439 people
  11. King City, Oregon (city)5,073 people
  12. Metzger, Oregon (CDP)3,714 people
  13. North Plains, Oregon (city)3,433 people
  14. Banks, Oregon (city)2,156 people
  15. Durham, Oregon (city)1,983 people
  16. Rivergrove, Oregon (city)657 people
  17. Gaston, Oregon (city)605 people
  18. Cherry Grove, Oregon (CDP)335 people

See all 31 cities, towns and communities in Washington County, largest first

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Yamhill County, Oregon24 mi southwest
  2. Columbia County, Oregon27 mi north
  3. Tillamook County, Oregon33 mi west
  4. Multnomah County, Oregon33 mi east
  5. Clatsop County, Oregon44 mi northwest
  6. Clackamas County, Oregon52 mi southeast

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

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See this county on Census.gov ↗