| ZIP Codes: | 5 ZIP Codes (5 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 509 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 11:55:35 PM |
| Population: | 23,321 [See All] |
| FIPS: | 53001 |
| CBSA: | Othello, WA |
| Land Area: | 1,993 sq mi |
| Water Area: | 7 sq mi |
| Coordinates: | 46.8907, -118.5067 |
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23,321 residents live across 5 ZIPs covering 1,993 sq mi, served by 5 distinct USPS-recognized cities.
Population moved from 21,044 to 23,321 from 2014 to 2024 — a +10.8% change. 2 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 99371 (Washtucna, $77,500 median) and poorest ZIP 99344 (Othello, $64,888) are 38.3 miles apart — a 1.2× income gap across local geography.
Median home values vary 1.3× across this county — from $217,500 in 99371 (Washtucna) to $281,900 in 99344 (Othello).
Density varies 23× across the county — from 2 people/sq mi in 99371 (Washtucna) to 37 in 99344 (Othello).
Educational attainment ranges from 13.3% bachelor's+ in 99344 (Othello) to 35.1% in 99341 (Lind) — the breadth of educational profiles across the area.
Within Washington, this is the #30 most populous of 39 counties and ranks #33 for median household income with the #24 fastest decade growth .
Weighted by population, the typical household earns about $65,328 across the county — reflecting what a typical resident sees, not a simple ZIP average.
16.5% of adults age 25+ hold a bachelor's degree or higher (2,097 of 12,710 reporting).
5 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.