Leavenworth County was founded in the year 1855 and took its name from Henry Leavenworth, an officer in the War of 1812. It is located in Northeast Kansas, in the Central United States. The area covered by the county measures 468.33 sq mi. More than 77K people with a rich mix of White, Native American, black or African American, Asian, Hispanic or Latino, Pacific Islander, and others along with 23K households and 17K family units reside in this region. Leavenworth is the county seat.

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