Asotin County, WA ZIP Codes
3 ZIP codes cover all or part of Asotin County, Washington: 99403, 99402 and 99401. The Census Bureau counts 22,467 residents in the county, with a median household income of $72,283 and a median home value of $325,600. Median household income ranges from $71,482 in 99403 to $78,906 in 99402. Its largest communities include Clarkston Heights-Vineland, Clarkston, West Clarkston-Highland, Asotin and Anatone.
Asotin County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 22,467 |
| Households | 9,490 |
| Median household income | $72,283 |
| Median home value | $325,600 |
| Median age | 46.2 |
| Median rent | $1,043 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 22,480 |
| Households (sum of ZIP codes) | 9,496 |
| Median household income, range across ZIP codes | $71,482 (99403) to $78,906 (99402) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $72,015 |
| Homeowners | 73.2% |
| Households with kids under 18 | 22.9% |
| Moved in the past year | 11.0% |
| Carrier routes in EDDM2GO's route library | 3 routes, 321 homes (1 of 3 ZIP codes) |
Top facts
- Highest median household income in Asotin County: 99402 ($78,906)
- Most residents: 99403 (20,760 people)
- Highest homeownership: 99402 (83.3% own their home)
- Most households with kids: 99402 (24.0% of households)
- Most new movers: 99402 (23.6% moved in last year)
- Youngest median age: 99403 (45.7 years)
- Highest median home value: 99402 ($339,800)
Every ZIP code in Asotin County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 99403 | Clarkston | 20,760 | 8,743 | $71,482 | $325,300 | 72.2% | 22.8% | 10.0% | — | — | 80% of its land |
| 99402 | Asotin | 1,557 | 676 | $78,906 | $339,800 | 83.3% | 24.0% | 23.6% | 3 | 322 | 100% of its land |
| 99401 | Anatone | 163 | 77 | $41,438 | $322,500 | 100.0% | 22.1% | 24.2% | — | — | 100% of its land |
A ZIP code is listed for Asotin County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Clarkston Heights-Vineland — 7,884 residents · 1 ZIP code
- Clarkston — 7,191 residents · 1 ZIP code
- West Clarkston-Highland — 5,444 residents · 1 ZIP code
- Asotin — 1,021 residents · 1 ZIP code
- Anatone — 0 residents · 1 ZIP code
Price a mailing to Asotin County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Asotin County, WA?
- 99403, 99402 and 99401. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Asotin County?
- 22,467 residents in 9,490 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Asotin County?
- $72,283 for the county as a whole. Its ZIP codes range from $71,482 (99403) to $78,906 (99402).
- Which Asotin County ZIP code has the highest median household income?
- 99402, at $78,906, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Asotin County?
- For the 1 of 3 ZIP codes in EDDM2GO's stored route library: 3 carrier routes reaching 321 residential and 1 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.