Alvin, TX -- U.S. city in Texas Population (2000): 21413 Housing Units (2000): 8442 Land area (2000): 16.434975 sq. miles (42.566387 sq. km) Water area (2000): 0.905520 sq. miles (2.345287 sq. km) Total area (2000): 17.340495 sq. miles (44.911674 sq. km) FIPS code: 02272 Located within: Texas (TX), FIPS 48 Location: 29.393698 N, 95.271588 W ZIP Codes (1990): 77511 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Alvin, TX Alvin