Alliance, OH -- U.S. city in Ohio Population (2000): 23253 Housing Units (2000): 9730 Land area (2000): 8.611823 sq. miles (22.304518 sq. km) Water area (2000): 0.002385 sq. miles (0.006176 sq. km) Total area (2000): 8.614208 sq. miles (22.310694 sq. km) FIPS code: 01420 Located within: Ohio (OH), FIPS 39 Location: 40.913358 N, 81.108094 W ZIP Codes (1990): 44601 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Alliance, OH Alliance