Boone -- U.S. County in Nebraska Population (2000): 6259 Housing Units (2000): 2733 Land area (2000): 686.689141 sq. miles (1778.516636 sq. km) Water area (2000): 0.557412 sq. miles (1.443691 sq. km) Total area (2000): 687.246553 sq. miles (1779.960327 sq. km) Located within: Nebraska (NE), FIPS 31 Location: 41.686566 N, 98.028435 W Headwords: Boone Boone, NE Boone County Boone County, NE