Asotin County, Washington
Asotin County, Washington, has 22,545 residents (July 2025 estimate). Its county seat is Asotin. It uses Pacific Time and covers 636 sq mi (1,647 km²) of land.
- Resident population, July 2025
- 22,545
- Land area
- 636 sq mi (1,647 km²)
- County seat or government
- Asotin
- Time zone
- Pacific TimeUTC-08:00 in January; UTC-07:00 in July
- Median household income
- $72,283 ± $5,956
- Median home value
- $325,600 ± $18,619
- Median rent, with utilities
- $1,043 ± $75
- Homes lived in by their owners
- 73.2% ± 2.4 points
- County type
- County
- Metro or micro area
- Lewiston, ID-WA metro areaCentral county
- Water area
- 4.36 sq mi (11.3 km²)
- State
- Washington
- County code (FIPS)
- 53003
- Coordinates (central point)
- 46.181861, -117.227781
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 Asotin County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Pacific TimeAmerica/Los_Angeles | UTC-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
3 ZIP Code areas overlap Asotin 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
Asotin 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 Asotin County, largest first
- Clarkston School District19,585 people
- Asotin-Anatone School District2,895 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.
- Clarkston Heights-Vineland, Washington (CDP)7,884 people
- Clarkston, Washington (city)7,191 people
- West Clarkston-Highland, Washington (CDP)5,444 people
- Asotin, Washington (city)1,021 people
- Anatone, Washington (CDP)0 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Garfield County, Washington23 mi northwest
- Nez Perce County, Idaho25 mi northeast
- Wallowa County, Oregon41 mi south
- Whitman County, Washington52 mi north
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