Trenton, OH -- U.S. city in Ohio Population (2000): 8746 Housing Units (2000): 3376 Land area (2000): 3.785519 sq. miles (9.804449 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.785519 sq. miles (9.804449 sq. km) FIPS code: 77322 Located within: Ohio (OH), FIPS 39 Location: 39.481909 N, 84.459460 W ZIP Codes (1990): 45067 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Trenton, OH Trenton