Xenia, OH -- U.S. city in Ohio Population (2000): 24164 Housing Units (2000): 9924 Land area (2000): 12.147062 sq. miles (31.460746 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 12.147062 sq. miles (31.460746 sq. km) FIPS code: 86772 Located within: Ohio (OH), FIPS 39 Location: 39.683707 N, 83.938064 W ZIP Codes (1990): 45385 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Xenia, OH Xenia