Leavenworth County | |
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![]() Leavenworth County Courthouse in Leavenworth | |
![]() Location within the U.S. state of Kansas | |
![]() Kansas's location within the U.S. | |
Coordinates: 39°16′07″N 95°07′32″W / 39.2686°N 95.1256°W | |
Country | ![]() |
State | ![]() |
Founded | August 25, 1855 |
Named for | Henry Leavenworth |
Seat | Leavenworth |
Largest city | Leavenworth |
Area | |
• Total | 469 sq mi (1,210 km2) |
• Land | 463 sq mi (1,200 km2) |
• Water | 6.1 sq mi (16 km2) 1.3% |
Population | |
• Total | 81,881 |
• Estimate (2023)[2] | 83,518 ![]() |
• Density | 176.8/sq mi (68.3/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | 2nd |
Website | leavenworthcounty.gov |
Leavenworth County is a county located in the U.S. state of Kansas and is part of the Kansas City metropolitan area.[3] Its county seat and most populous city is Leavenworth.[4] As of the 2020 census, the county population was 81,881.[1] The county was named after Henry Leavenworth, a general in the Indian Wars who established Fort Leavenworth.