Johnson -- U.S. County in Georgia Population (2000): 8560 Housing Units (2000): 3634 Land area (2000): 304.262815 sq. miles (788.037039 sq. km) Water area (2000): 2.255633 sq. miles (5.842063 sq. km) Total area (2000): 306.518448 sq. miles (793.879102 sq. km) Located within: Georgia (GA), FIPS 13 Location: 32.690626 N, 82.653800 W Headwords: Johnson Johnson, GA Johnson County Johnson County, GA