Plains, TX -- U.S. town in Texas Population (2000): 1450 Housing Units (2000): 569 Land area (2000): 0.989366 sq. miles (2.562447 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.989366 sq. miles (2.562447 sq. km) FIPS code: 57968 Located within: Texas (TX), FIPS 48 Location: 33.190251 N, 102.827578 W ZIP Codes (1990): 79355 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Plains, TX Plains