Alamo Heights, TX -- U.S. city in Texas Population (2000): 7319 Housing Units (2000): 3460 Land area (2000): 1.845970 sq. miles (4.781041 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.845970 sq. miles (4.781041 sq. km) FIPS code: 01600 Located within: Texas (TX), FIPS 48 Location: 29.482881 N, 98.467271 W ZIP Codes (1990): 78209 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Alamo Heights, TX Alamo Heights