Karnes -- U.S. County in Texas Population (2000): 15446 Housing Units (2000): 5479 Land area (2000): 750.317191 sq. miles (1943.312521 sq. km) Water area (2000): 3.267227 sq. miles (8.462078 sq. km) Total area (2000): 753.584418 sq. miles (1951.774599 sq. km) Located within: Texas (TX), FIPS 48 Location: 28.881819 N, 97.866278 W Headwords: Karnes Karnes, TX Karnes County Karnes County, TX