Hartford, KY -- U.S. city in Kentucky Population (2000): 2571 Housing Units (2000): 1165 Land area (2000): 2.598305 sq. miles (6.729580 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 2.598305 sq. miles (6.729580 sq. km) FIPS code: 35020 Located within: Kentucky (KY), FIPS 21 Location: 37.450415 N, 86.902026 W ZIP Codes (1990): 42347 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Hartford, KY Hartford