- Okanogan County, Washington (data.census.gov)
Okanogan County, Washington has 5,266.2 square miles of land area and is the 1st largest county in Washington by total area. Okanogan County, Washington is bordered by Skagit County, Washington, Chelan County, Washington, Lincoln County, Washington, Whatcom County, Washington, Douglas County, Washington, Ferry County, Washington, and Grant County, Washington.
- Okanogan County, Washington (Wikipedia)
Okanogan County (/ˌoʊkəˈnɑːɡən/) is a county located in the U.S. state of Washington along the Canada–U.S. border. As of the 2020 census, the population was 42,104. The county seat is Okanogan, while the largest city is Omak. Its area is the largest in the state.