Trenton, KY -- U.S. city in Kentucky Population (2000): 419 Housing Units (2000): 196 Land area (2000): 0.558616 sq. miles (1.446810 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.558616 sq. miles (1.446810 sq. km) FIPS code: 77592 Located within: Kentucky (KY), FIPS 21 Location: 36.723246 N, 87.261209 W ZIP Codes (1990): 42286 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Trenton, KY Trenton