Marlin, TX -- U.S. city in Texas Population (2000): 6628 Housing Units (2000): 2826 Land area (2000): 4.523077 sq. miles (11.714714 sq. km) Water area (2000): 0.051266 sq. miles (0.132779 sq. km) Total area (2000): 4.574343 sq. miles (11.847493 sq. km) FIPS code: 46740 Located within: Texas (TX), FIPS 48 Location: 31.307975 N, 96.892975 W ZIP Codes (1990): 76661 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Marlin, TX Marlin