Thomaston, GA -- U.S. city in Georgia Population (2000): 9411 Housing Units (2000): 4152 Land area (2000): 9.053834 sq. miles (23.449322 sq. km) Water area (2000): 0.144454 sq. miles (0.374135 sq. km) Total area (2000): 9.198288 sq. miles (23.823457 sq. km) FIPS code: 76168 Located within: Georgia (GA), FIPS 13 Location: 32.891776 N, 84.326901 W ZIP Codes (1990): 30286 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Thomaston, GA Thomaston