Adena, OH -- U.S. village in Ohio Population (2000): 815 Housing Units (2000): 389 Land area (2000): 0.537977 sq. miles (1.393353 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.537977 sq. miles (1.393353 sq. km) FIPS code: 00464 Located within: Ohio (OH), FIPS 39 Location: 40.216883 N, 80.875937 W ZIP Codes (1990): 43901 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Adena, OH Adena