Sedgwick -- U.S. County in Kansas Population (2000): 452869 Housing Units (2000): 191133 Land area (2000): 999.375771 sq. miles (2588.371255 sq. km) Water area (2000): 10.034305 sq. miles (25.988729 sq. km) Total area (2000): 1009.410076 sq. miles (2614.359984 sq. km) Located within: Kansas (KS), FIPS 20 Location: 37.681327 N, 97.363470 W Headwords: Sedgwick Sedgwick, KS Sedgwick County Sedgwick County, KS