Baytown, TX -- U.S. city in Texas Population (2000): 66430 Housing Units (2000): 26203 Land area (2000): 32.653820 sq. miles (84.573003 sq. km) Water area (2000): 0.496377 sq. miles (1.285610 sq. km) Total area (2000): 33.150197 sq. miles (85.858613 sq. km) FIPS code: 06128 Located within: Texas (TX), FIPS 48 Location: 29.743752 N, 94.965767 W ZIP Codes (1990): 77520 77521 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Baytown, TX Baytown