Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — STATE/WA/COUNTY/OKANOGAN

Okanogan County, WA ZIP codes

There are 19 ZIP codes in Okanogan County, WA, in 19 towns, from 98812 to 99155. The largest are 98841 (Omak), 98855 (Tonasket) and 98812 (Brewster).

The county seat is Okanogan.

ZIP codes
19
Towns
19
County seat
Okanogan
County FIPS
53047
Population
43,425
Median household income
$63,207
Land area
5,266 sq mi

Okanogan County ZIP codes by town

Okanogan (county seat)
98840

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Okanogan County ZIP codes

98812988149881998827988299883398834988409884198844988469884998855988569885998862991169912499155

The ZIP codes of Okanogan County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Okanogan County in numbers

About 43,425 people live in Okanogan County, in 17,540 households, the 26th most populous of Washington's 39 counties. The median household income is $63,207 a year, 36% below the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $299,800 (47% below the Washington median), and median gross rent is $887 a month. The median age is 43.2; 24.7% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 18 minutes.

Population43,425Okanogan43,425
Households17,540Okanogan17,540
Median age43.2Okanogan43.2Washington38.3US 38.9
Median household income$63,207Okanogan$63,207Washington$98,141US $80,734
Median home value$299,800Okanogan$299,800Washington$564,600US $332,700
Median gross rent$887Okanogan$887Washington$1,760US $1,413
Bachelor's degree or higher24.7%Okanogan24.7%Washington39.6%US 35.7%
Mean commute18.4 minOkanogan18.4 minWashington26.6 minUS 26.4 min
Population density8 / sq miOkanogan8 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Okanogan County

Largest towns in Okanogan County
TownZIP codesPopulation
Omak 1 5,036
Okanogan 1 2,470
Brewster 1 1,653
Oroville 1 1,605
Coulee Dam 1 1,595
Twisp 1 1,179
Tonasket 1 993
Pateros 1 583
Carlton 1 473
Riverside 1 471
Malott 1 447
Wauconda 1 435
Winthrop 1 423
Elmer City 1 332
Mazama 1 245

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Okanogan County.

Not sure you are in Okanogan County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Okanogan County, with figures

ZIP codes in Okanogan County
ZIP City Type Population Median income Median home
98812 Brewster , WA Standard 4,834 $59,297 $354,500
98814 Carlton , WA Standard 473 $98,715 $582,700
98819 Conconully , WA Standard 182 $63,000 $219,400
98827 Loomis , WA Standard 289 $43,309 —
98829 Malott , WA Standard 361 $36,875 $392,000
98833 Mazama , WA Standard 245 $117,639 $609,900
98834 Methow , WA Standard 178 $71,667 $590,000
98840 Okanogan , WA Standard 4,892 $57,342 $261,600
98841 Omak , WA Standard 9,737 $71,809 $274,000
98844 Oroville , WA Standard 4,873 $44,201 $293,800
98846 Pateros , WA Standard 1,376 $84,464 $338,200
98849 Riverside , WA Standard 1,096 $63,875 $277,200
98855 Tonasket , WA Standard 5,857 $60,179 $257,800
98856 Twisp , WA Standard 2,920 $70,089 $484,600
98859 Wauconda , WA Standard 435 $98,108 —
98862 Winthrop , WA Standard 2,995 $71,080 $720,200
99116 Coulee Dam , WA Standard 1,786 $65,946 $238,900
99124 Elmer City , WA Standard 326 $70,000 $201,600
99155 Nespelem , WA Standard 1,009 $50,909 $143,100

Cite this page

zipcodes.pro. “Okanogan County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/wa/county/okanogan

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