Seabrook, TX -- U.S. city in Texas Population (2000): 9443 Housing Units (2000): 4536 Land area (2000): 5.731634 sq. miles (14.844863 sq. km) Water area (2000): 15.779740 sq. miles (40.869336 sq. km) Total area (2000): 21.511374 sq. miles (55.714199 sq. km) FIPS code: 66392 Located within: Texas (TX), FIPS 48 Location: 29.568506 N, 95.022626 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Seabrook, TX Seabrook