Walnut Grove, GA -- U.S. town in Georgia Population (2000): 1241 Housing Units (2000): 473 Land area (2000): 1.524827 sq. miles (3.949283 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.524827 sq. miles (3.949283 sq. km) FIPS code: 80228 Located within: Georgia (GA), FIPS 13 Location: 33.745470 N, 83.857319 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Walnut Grove, GA Walnut Grove