Nuckolls -- U.S. County in Nebraska Population (2000): 5057 Housing Units (2000): 2530 Land area (2000): 575.301589 sq. miles (1490.024213 sq. km) Water area (2000): 0.660834 sq. miles (1.711553 sq. km) Total area (2000): 575.962423 sq. miles (1491.735766 sq. km) Located within: Nebraska (NE), FIPS 31 Location: 40.150032 N, 98.035503 W Headwords: Nuckolls Nuckolls, NE Nuckolls County Nuckolls County, NE