Osage County is a county located in the U.S. state of Kansas. Its county seat is Lyndon, and its most populous city is Osage City. As of the 2020 census, the county population was 15,766. The county was originally organized in 1855 as Weller... Wikipedia
Cities: Osage City, Lyndon, Burlingame, and more
County seat: Lyndon
Population: 15,654 (2022)
Congressional district: 2nd
Largest city: Osage City
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