Gallatin, TX -- U.S. city in Texas Population (2000): 378 Housing Units (2000): 164 Land area (2000): 4.594665 sq. miles (11.900127 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 4.594665 sq. miles (11.900127 sq. km) FIPS code: 28008 Located within: Texas (TX), FIPS 48 Location: 31.903316 N, 95.150520 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Gallatin, TX Gallatin