| ZIP Codes: | 19 ZIP Codes (15 Standard, 4 PO Box, 0 Unique) [See All] |
| Area Code: | 509 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 2:14:16 PM |
| Population: | 43,864 [See All] |
| FIPS: | 53047 |
| Land Area: | 4,595 sq mi |
| Water Area: | 52 sq mi |
| Coordinates: | 48.4102, -119.6377 |
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43,864 residents live across 19 ZIPs covering 4,595 sq mi, served by 19 distinct USPS-recognized cities.
Population moved from 41,841 to 43,864 from 2014 to 2024 — a +4.8% change. 13 ZIPs gained residents, 6 lost.
The county's wealthiest ZIP 98833 (Mazama, $117,639 median) and poorest ZIP 98829 (Malott, $36,875) are 43.5 miles apart — a 3.2× income gap across local geography.
Median home values vary 5.0× across this county — from $143,100 in 99155 (Nespelem) to $720,200 in 98862 (Winthrop).
Density varies 1023× across the county — from 1 people/sq mi in 98827 (Loomis) to 776 in 99124 (Elmer City).
Educational attainment ranges from 11.8% bachelor's+ in 98849 (Riverside) to 66.9% in 98862 (Winthrop) — the breadth of educational profiles across the area.
Within Washington, this is the #24 most populous of 39 counties and ranks #29 for median household income .
Weighted by population, the typical household earns about $63,793 across the county — reflecting what a typical resident sees, not a simple ZIP average.
25.0% of adults age 25+ hold a bachelor's degree or higher (7,839 of 31,387 reporting).
15 Standard delivery, 4 PO Box only, 0 single-entity Unique ZIPs serve this county.
1 ZIP in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
Median household income spans 3.2× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 98841 | Omak | Standard | 9,737 | $71,809 | 261.4 | 10.6% |
| 98855 | Tonasket | Standard | 5,857 | $60,179 | 653.0 | -8.7% |
| 98840 | Okanogan | Standard | 4,892 | $57,342 | 481.5 | 5.2% |
| 98844 | Oroville | Standard | 4,873 | $44,201 | 327.7 | 8.7% |
| 98812 | Brewster | Standard | 4,834 | $59,297 | 170.6 | 0.7% |
| 98862 | Winthrop | Standard | 2,995 | $71,080 | 403.2 | 39.5% |
| 98856 | Twisp | Standard | 2,920 | $70,089 | 339.8 | 21.5% |
| 99116 | Coulee Dam | Standard | 1,786 | $65,946 | 49.0 | 7.3% |
| 98846 | Pateros | Standard | 1,376 | $84,464 | 119.0 | 23.5% |
| 98849 | Riverside | Standard | 1,096 | $63,875 | 169.2 | -23.7% |
| 99155 | Nespelem | PO Box | 1,009 | $50,909 | 366.6 | -10.6% |
| 98814 | Carlton | Standard | 473 | $98,715 | 253.1 | 37.1% |
| 98859 | Wauconda | Standard | 435 | $98,108 | 131.6 | 165.2% |
| 98829 | Malott | PO Box | 361 | $36,875 | 88.2 | -51.9% |
| 99124 | Elmer City | PO Box | 326 | $70,000 | 0.4 | 2.8% |
| 98827 | Loomis | Standard | 289 | $43,309 | 381.1 | -57.2% |
| 98833 | Mazama | Standard | 245 | $117,639 | 196.5 | 28.9% |
| 98819 | Conconully | PO Box | 182 | $63,000 | 178.0 | 19.0% |
| 98834 | Methow | Standard | 178 | $71,667 | 25.1 | -11.0% |