County Maps US

Okanogan County, Washington

The largest of Washington's 39 counties by land area.

CountyFIPS 53047

Within Washington
Okanogan County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Okanogan, the county seat, located via the 2025 Census Gazetteer.

Download SVGFull Washington map downloads

Population
45,230
+3,087 (+7.3%) since 2020
Land area
5,266
square miles. A further 0.9% of the total area is water
Population density
8.6
people per square mile, computed rather than published
County seat
Okanogan
Seat of county government.
Established
1888
137 years ago
Largest city
Omak city
Population 5,185.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Okanogan County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Okanogan County, Washington from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 643 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Okanogan County ranks

Position among the 39 counties of Washington, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn WashingtonNationally
Population45,23026th of 391,091st of 3,144
Land area5,266 sq mi1st of 3973rd of 3,144
Population density8.6 per sq mi34th of 392,617th of 3,144
Median household income$63,20736th of 391,774th of 3,143

Full data for Okanogan County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population45,230Vintage 2025 Population Estimates
Population in 202042,143Vintage 2025 Population Estimates
2020 estimates base?42,097Vintage 2025 Population Estimates
Land area5,266 sq mi2025 Gazetteer Files
Water area46.5 sq mi2025 Gazetteer Files
Total area5,313 sq mi2025 Gazetteer Files
Population density?8.6 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$63,207American Community Survey 2020-2024 5-Year Estimates
Median home value$299,800American Community Survey 2020-2024 5-Year Estimates
Median age43.2American Community Survey 2020-2024 5-Year Estimates
Households17,540American Community Survey 2020-2024 5-Year Estimates
Housing units22,156American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-116
428 births, 544 deaths
Net migration
+698
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 7 areas bordering Okanogan County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Chelan CountyWashington80 mi81,941
Douglas CountyWashington79 mi46,473
Ferry CountyWashington75 mi7,517
Whatcom CountyWashington40 mi236,392
Skagit CountyWashington15 mi132,975
Lincoln CountyWashington5.8 mi11,982
Grant CountyWashington1.5 mi105,727

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 39 counties of Washington

Open the interactive Washington county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.