Red Oak, TX -- U.S. city in Texas Population (2000): 4301 Housing Units (2000): 1625 Land area (2000): 7.820328 sq. miles (20.254556 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 7.820328 sq. miles (20.254556 sq. km) FIPS code: 61196 Located within: Texas (TX), FIPS 48 Location: 32.525607 N, 96.806189 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Red Oak, TX Red Oak