Asotin County, Washington ZIP codes
3 ZIP codes are in Asotin County. It's part of the Lewiston, ID-WA metro area.
- ZIP codes
- 3
- Population in these ZIPs
- 22,480
- Avg. median income
- $71,800population-weighted
- Cities & towns
- 3
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ZIP codes in Asotin County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 99401 | Anatone | 163 | $41,438 | $322,500 |
| 99402 | Asotin | 1,557 | $78,906 | $396,600 |
| 99403 | Clarkston | 20,760 | $71,482 | $343,400 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Asotin County
Nearby counties
Frequently asked questions
How many ZIP codes are in Asotin County, Washington?
3 ZIP codes are mainly in Asotin County.
What cities are in Asotin County?
ZIP codes in Asotin County use the city names Anatone, Asotin and Clarkston.
What metro area is Asotin County in?
Asotin County is part of the Lewiston, ID-WA metropolitan statistical area.