Washington County, Oregon
Washington County is a county in Oregon. Its county FIPS code is 41067. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 41067
- Representative coordinates
- 45.553542, -123.097615
- County type
- County
- County seat or government
- Hillsboro
- Resident population, July 2025
- 611,708
- Land area
- 1,875.856 km²
- Water area
- 6.118 km²
- State
- Oregon
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Washington County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Los_Angeles | UTC-08:00 in January; UTC-07:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
97003 · 97005 · 97006 · 97007 · 97008 · 97035 · 97056 · 97062 · 97064 · 97070 · 97078 · 97106 · 97109 · 97113 · 97116 · 97117 · 97119 · 97123 · 97124 · 97125 · 97132 · 97133 · 97140 · 97144 · 97210 · 97219 · 97221 · 97223 · 97224 · 97225 · 97229 · 97231
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details 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.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Aloha CDP, OR
- Banks city, OR
- Beaverton city, Oregon
- Bethany CDP, OR
- Bull Mountain CDP, OR
- Cedar Hills CDP, OR
- Cedar Mill CDP, OR
- Cherry Grove CDP, OR
- Cornelius city, OR
- Dilley CDP, OR
- Durham city, OR
- Forest Grove city, OR
- Garden Home-Whitford CDP, OR
- Gaston city, OR
- Hillsboro city, OR
- King City city, OR
- Lake Oswego city, OR
- Marlene Village CDP, OR
- Metzger CDP, OR
- North Plains city, OR
- Oak Hills CDP, OR
- Portland city, Oregon
- Raleigh Hills CDP, OR
- Rivergrove city, OR
- Rockcreek CDP, OR
- Sherwood city, OR
- Tigard city, OR
- Tualatin city, OR
- West Haven-Sylvan CDP, OR
- West Slope CDP, OR
Browse all cities, towns and communities for Washington County
Areas sharing the mapped boundary
These areas touch this mapped boundary.
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.
Find the county at your current point, check its ZIP area, or find its physical time zone.