Rockdale, TX -- U.S. city in Texas Population (2000): 5439 Housing Units (2000): 2379 Land area (2000): 3.133474 sq. miles (8.115660 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.133474 sq. miles (8.115660 sq. km) FIPS code: 62672 Located within: Texas (TX), FIPS 48 Location: 30.654674 N, 97.007439 W ZIP Codes (1990): 76567 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Rockdale, TX Rockdale