Barstow, TX -- U.S. city in Texas Population (2000): 406 Housing Units (2000): 175 Land area (2000): 0.668564 sq. miles (1.731572 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.668564 sq. miles (1.731572 sq. km) FIPS code: 05720 Located within: Texas (TX), FIPS 48 Location: 31.462523 N, 103.395426 W ZIP Codes (1990): 79719 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Barstow, TX Barstow