Okanogan County, Washington

Okanogan County: county in the state of Washington, United States

About

Okanogan County is a county located in the U.S. state of Washington. As of the 2010 census, the population was 41,120 and a population density of 3 people per km². After 10 years in 2020 county had an estimated population of 42,620 inhabitants. Its county seat is Omak. The county was created 138 years ago in 1887.

Okanogan County locator map
Location of Okanogan County on Washington map.

County Snapshot

Okanogan County at a glance

Okanogan County currently has 13 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

13

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Largest city

Omak

Population 4,827

Quick Facts about Okanogan County

Population 42,620 (2020)
Country United States of America
State Washington (United States)
Area 13766 km2
Water as percent of area 0.9%
Land as percent of area 99.1%
Latitude & Longitude 48.5489,-119.7408
Named for Okanagan people
Altitude 2,776 feet / 846 meters
Capital Omak
Establishment January 01, 1888
Time Zone America/Los_Angeles
Local time 19:55:43 (18th April 2026)
Density 3 Pop. per km² as of 2020
Population growth 3.52% (2010-2020)
Weather 36℉ Mostly Cloudy 7-days weather
Okanogan County Courthouse 01 image
Okanogan County Courthouse 01 image

Geography

Okanogan County is located at 48°32'56"N 119°44'27"W (48.5488500, -119.7407900). It has 7 neighbors: Chelan County, Douglas County, Ferry County, Grant County, Lincoln County, Skagit County and Whatcom County.

Okanogan County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Okanogan County is Omak with a population of 4,827. Other cities include, Okanogan population 2,607, Brewster population 2,391, Oroville population 1,688 and Tonasket population 1,131. See all Okanogan County cities & populated places.

Okanogan County Populated Places

Cities, towns, neighborhoods & other populated places in Okanogan County.

City Name Population Title
Omak 4,827 City in north-central Washington, United States
Okanogan 2,607 City in Okanogan County, Washington, United States
Brewster 2,391 City in Okanogan County, Washington, United States
Oroville 1,688 City in Okanogan County, Washington, United States
Tonasket 1,131 City in Okanogan County, Washington, United States
Coulee Dam 1,083 Town in Washington, USA
Twisp 988 Town of the United States
Pateros 721 City in the U.
Winthrop 492 Town in Washington, United States
Riverside 274 Town in Okanogan County, Washington, United States
Elmer City 252 Town in Washington, United States
Nespelem 245 Town of the United States
Conconully 211 Town of the United States

Weather

36°F
Mostly Cloudy
5 mph W Tonight

Mostly cloudy, with a low around 36. West wind around 5 mph.

7-Day Forecast

Official website of Okanogan County

Official Website

Demographics

The population of Okanogan County increased by 3.52% in 10 years.

Year Population % Change Method
2010 41,120 - census
2011 41,334 0.52% estimation process
2012 41,183 -0.37% estimation process
2013 41,053 -0.32% estimation process
2014 41,236 0.44% estimation process
2015 41,356 0.29% estimation process
2016 41,579 0.54% estimation process
2017 41,915 0.8% estimation process
2018 42,117 0.48% estimation process
2019 42,243 0.3% estimation process
2020 42,620 0.88% estimation process
Comitatul Okanogan, Comte d'Okanogan, Comte dOkanogan, Comté d'Okanogan, Comté dOkanogan, Condado de Okanogan, Condado han Okanogan, Contea di Okanogan, Hrabstwo Okanogan, Kantono Okanogan, Okanogan, Okanogan Kun, Okanogan Kūn, Okanogan konderria, Okanogan megye, Okanogani maakond, Okrug Okanogan, Quan Okanogan, Quận Okanogan, ao ka nuo gen xian, mqatʿt awkanwghan, okanogana ka'unti, oukanogan jun, shhrstan awkanwgan washyngtn, Оканоган, Оканоґан, Округ Оканоган, اوکاناگن کاؤنٹی، واشنگٹن, اوکانوگن کاؤنٹی, شهرستان اوکانوگان، واشینگتن, مقاطعة أوكانوغان, ওকানোগান কাউন্টি, オウカノガン郡, 奧卡諾根縣

Washington Other Counties (more counties)

County Name Population Title
King County 2,274,315 County in the state of Washington, United States
Pierce County 913,890 County in the state of Washington, United States
Snohomish County 830,393 County in the state of Washington, United States
Seattle 769,714 The eighteenth most populous city in the United States and the center of the Seattle metropolitan area.
Spokane County 528,225 County in the state of Washington, United States
Clark County 496,865 County in Washington, United States
Thurston County 294,074 County in the state of Washington, United States
Kitsap County 272,787 County in the state of Washington, United States
Yakima County 251,879 County in the state of Washington, United States
Whatcom County 231,016 County in the state of Washington, United States
Spokane 222,050 The second most populous city in Washington.
Tacoma 219,945 The third most populous city in Washington.
Benton County 206,426 County in Arkansas, United States
Vancouver 186,192 The third most populous city in Washington.
Bellevue 148,073 The most populous city in Washington.
Skagit County 130,789 County in the state of Washington, United States