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Join the roomWashington County is a county located in the U.S. state of Kansas. Its county seat and largest city is Washington. As of the 2020 census, the county population was 5,530. The county was named for George Washington, the 1st president of the United States.
Not who you're looking for? Others named Washington County: county in Arkansas, United States · county in Indiana, United States · county in Ohio, United States · county in Iowa, United States
