Texarkana, TX -- U.S. city in Texas Population (2000): 34782 Housing Units (2000): 15105 Land area (2000): 25.625997 sq. miles (66.371025 sq. km) Water area (2000): 0.101817 sq. miles (0.263704 sq. km) Total area (2000): 25.727814 sq. miles (66.634729 sq. km) FIPS code: 72368 Located within: Texas (TX), FIPS 48 Location: 33.437170 N, 94.067394 W ZIP Codes (1990): 75503 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Texarkana, TX Texarkana