Southgate, KY -- U.S. city in Kentucky Population (2000): 3472 Housing Units (2000): 1665 Land area (2000): 1.423504 sq. miles (3.686857 sq. km) Water area (2000): 0.004841 sq. miles (0.012537 sq. km) Total area (2000): 1.428345 sq. miles (3.699394 sq. km) FIPS code: 71976 Located within: Kentucky (KY), FIPS 21 Location: 39.065611 N, 84.473638 W ZIP Codes (1990): 41071 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Southgate, KY Southgate