Hamburg, AR -- U.S. city in Arkansas Population (2000): 3039 Housing Units (2000): 1264 Land area (2000): 3.413186 sq. miles (8.840112 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.413186 sq. miles (8.840112 sq. km) FIPS code: 29500 Located within: Arkansas (AR), FIPS 05 Location: 33.227369 N, 91.798472 W ZIP Codes (1990): 71646 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Hamburg, AR Hamburg