Leavenworth County is located in the U.S. state of Kansas and is part of the Kansas City metropolitan area. Its county seat and most populous city is Leavenworth. As of the 2020 census, the county population was 81,881. Wikipedia
Cities: Leavenworth, Lansing, Tonganoxie, and more
County seat: Leavenworth
Population: 82,892 (2022)
Congressional district: 2nd