Seward -- U.S. County in Nebraska Population (2000): 16496 Housing Units (2000): 6428 Land area (2000): 574.753422 sq. miles (1488.604466 sq. km) Water area (2000): 0.974016 sq. miles (2.522690 sq. km) Total area (2000): 575.727438 sq. miles (1491.127156 sq. km) Located within: Nebraska (NE), FIPS 31 Location: 40.876188 N, 97.130218 W Headwords: Seward Seward, NE Seward County Seward County, NE