Sedgwick -- U.S. County in Colorado Population (2000): 2747 Housing Units (2000): 1387 Land area (2000): 548.235760 sq. miles (1419.924040 sq. km) Water area (2000): 1.363024 sq. miles (3.530215 sq. km) Total area (2000): 549.598784 sq. miles (1423.454255 sq. km) Located within: Colorado (CO), FIPS 08 Location: 40.906615 N, 102.331149 W Headwords: Sedgwick Sedgwick, CO Sedgwick County Sedgwick County, CO