Clarendon, TX -- U.S. city in Texas Population (2000): 1974 Housing Units (2000): 929 Land area (2000): 2.907274 sq. miles (7.529806 sq. km) Water area (2000): 0.098926 sq. miles (0.256218 sq. km) Total area (2000): 3.006200 sq. miles (7.786024 sq. km) FIPS code: 15112 Located within: Texas (TX), FIPS 48 Location: 34.936415 N, 100.891182 W ZIP Codes (1990): 79226 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Clarendon, TX Clarendon