Sundown, TX -- U.S. city in Texas Population (2000): 1505 Housing Units (2000): 575 Land area (2000): 1.512635 sq. miles (3.917706 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.512635 sq. miles (3.917706 sq. km) FIPS code: 71060 Located within: Texas (TX), FIPS 48 Location: 33.457018 N, 102.488283 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Sundown, TX Sundown