Flatonia, TX -- U.S. town in Texas Population (2000): 1377 Housing Units (2000): 568 Land area (2000): 1.618542 sq. miles (4.192005 sq. km) Water area (2000): 0.016936 sq. miles (0.043865 sq. km) Total area (2000): 1.635478 sq. miles (4.235870 sq. km) FIPS code: 26028 Located within: Texas (TX), FIPS 48 Location: 29.686981 N, 97.107728 W ZIP Codes (1990): 78941 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Flatonia, TX Flatonia