Dalhart, TX -- U.S. city in Texas Population (2000): 7237 Housing Units (2000): 3101 Land area (2000): 4.292060 sq. miles (11.116385 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 4.292060 sq. miles (11.116385 sq. km) FIPS code: 18524 Located within: Texas (TX), FIPS 48 Location: 36.060856 N, 102.518656 W ZIP Codes (1990): 79022 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Dalhart, TX Dalhart