Springboro, OH -- U.S. city in Ohio Population (2000): 12380 Housing Units (2000): 4423 Land area (2000): 8.810451 sq. miles (22.818963 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 8.810451 sq. miles (22.818963 sq. km) FIPS code: 74076 Located within: Ohio (OH), FIPS 39 Location: 39.563930 N, 84.228014 W ZIP Codes (1990): 45066 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Springboro, OH Springboro