Lewisville, TX -- U.S. city in Texas Population (2000): 77737 Housing Units (2000): 31764 Land area (2000): 36.793631 sq. miles (95.295062 sq. km) Water area (2000): 5.543565 sq. miles (14.357766 sq. km) Total area (2000): 42.337196 sq. miles (109.652828 sq. km) FIPS code: 42508 Located within: Texas (TX), FIPS 48 Location: 33.038316 N, 97.006232 W ZIP Codes (1990): 75057 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Lewisville, TX Lewisville