Trenton, MO -- U.S. city in Missouri Population (2000): 6216 Housing Units (2000): 3059 Land area (2000): 5.834012 sq. miles (15.110020 sq. km) Water area (2000): 0.290894 sq. miles (0.753411 sq. km) Total area (2000): 6.124906 sq. miles (15.863431 sq. km) FIPS code: 73816 Located within: Missouri (MO), FIPS 29 Location: 40.078230 N, 93.611436 W ZIP Codes (1990): 64683 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Trenton, MO Trenton