Kearny -- U.S. County in Kansas Population (2000): 4531 Housing Units (2000): 1657 Land area (2000): 871.059532 sq. miles (2256.033735 sq. km) Water area (2000): 0.444257 sq. miles (1.150620 sq. km) Total area (2000): 871.503789 sq. miles (2257.184355 sq. km) Located within: Kansas (KS), FIPS 20 Location: 38.029417 N, 101.272236 W Headwords: Kearny Kearny, KS Kearny County Kearny County, KS