Leavenworth County

Leavenworth County is an administrative division in northeastern Kansas with rolling terrain, river systems, and farmland throughout. The region includes several towns, with the city of Leavenworth serving as the main hub for county administration.

The county was formally established in 1855 and named after General Henry Leavenworth, who founded the military post in 1827. These early developments made the area an important center for military and administrative activity.

Fort Leavenworth has long shaped community life throughout the region and continues to influence daily routines for many residents. The military presence gives the area a distinctive identity visible in its institutions and social networks.

Visitors can find administrative services across multiple towns, with the city of Leavenworth housing the main county facilities. The area is accessible by car and has basic infrastructure to serve both residents and travelers.

The region contains the oldest continuously operating military installation west of the Mississippi River alongside the largest federal prison complex in the country. These two contrasting institutions coexist in the same area.

Location: Kansas

Inception: August 30, 1855

Capital city: Leavenworth

Shares border with: Platte County, Wyandotte County, Johnson County, Atchison County, Douglas County, Jefferson County

Website: https://leavenworthcounty.gov

GPS coordinates: 39.26861,-95.12556

Latest update: December 7, 2025 10:07