Okanogan County, Washington ZIP codes
19 ZIP codes are in Okanogan County, plus 3 that cross in from neighboring counties.
- ZIP codes
- 19
- Population in these ZIPs
- 43,864
- Avg. median income
- $63,800population-weighted
- Cities & towns
- 19
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Okanogan County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 98812 | Brewster | 4,834 | $59,297 | $318,000 |
| 98814 | Carlton | 473 | $98,715 | $474,100 |
| 98819 | Conconully | 182 | $63,000 | $219,400 |
| 98827 | Loomis | 289 | $43,309 | $259,700 |
| 98829 | Malott | 361 | $36,875 | $255,100 |
| 98833 | Mazama | 245 | $117,639 | $671,600 |
| 98834 | Methow | 178 | $71,667 | $331,200 |
| 98840 | Okanogan | 4,892 | $57,342 | $270,400 |
| 98841 | Omak | 9,737 | $71,809 | $265,100 |
| 98844 | Oroville | 4,873 | $44,201 | $256,600 |
| 98846 | Pateros | 1,376 | $84,464 | $440,900 |
| 98849 | Riverside | 1,096 | $63,875 | $249,000 |
| 98855 | Tonasket | 5,857 | $60,179 | $240,100 |
| 98856 | Twisp | 2,920 | $70,089 | $455,000 |
| 98859 | Wauconda | 435 | $98,108 | $181,900 |
| 98862 | Winthrop | 2,995 | $71,080 | $615,900 |
| 99116 | Coulee Dam | 1,786 | $65,946 | $231,600 |
| 99124 | Elmer City | 326 | $70,000 | $201,600 |
| 99155 | Nespelem | 1,009 | $50,909 | $143,100 |
ZIP codes partly in Okanogan County
These ZIP codes are mostly in a neighboring county but cover part of Okanogan County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 98813 | Bridgeport | Douglas County | 2,826 | $49,969 | $242,900 |
| 98816 | Chelan | Chelan County | 7,752 | $82,577 | $496,000 |
| 99166 | Republic | Ferry County | 2,953 | $56,676 | $272,800 |
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 Okanogan County
Nearby counties
Frequently asked questions
How many ZIP codes are in Okanogan County, Washington?
19 ZIP codes are mainly in Okanogan County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Okanogan County?
ZIP codes in Okanogan County use the city names Brewster, Carlton, Conconully, Coulee Dam, Elmer City, Loomis, Malott, Mazama, Methow, Nespelem, Okanogan and Omak and others.