Spring Valley, TX -- U.S. city in Texas Population (2000): 3611 Housing Units (2000): 1410 Land area (2000): 1.310714 sq. miles (3.394733 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.310714 sq. miles (3.394733 sq. km) FIPS code: 69812 Located within: Texas (TX), FIPS 48 Location: 29.789727 N, 95.504774 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Spring Valley, TX Spring Valley