Celina, OH -- U.S. city in Ohio Population (2000): 10303 Housing Units (2000): 4466 Land area (2000): 4.390035 sq. miles (11.370137 sq. km) Water area (2000): 0.044746 sq. miles (0.115892 sq. km) Total area (2000): 4.434781 sq. miles (11.486029 sq. km) FIPS code: 12868 Located within: Ohio (OH), FIPS 39 Location: 40.551459 N, 84.570057 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Celina, OH Celina