Happy, TX -- U.S. town in Texas Population (2000): 647 Housing Units (2000): 295 Land area (2000): 1.065105 sq. miles (2.758608 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.065105 sq. miles (2.758608 sq. km) FIPS code: 32156 Located within: Texas (TX), FIPS 48 Location: 34.743810 N, 101.857037 W ZIP Codes (1990): 79042 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Happy, TX Happy