Martinsville, OH -- U.S. village in Ohio Population (2000): 440 Housing Units (2000): 169 Land area (2000): 0.441610 sq. miles (1.143764 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.441610 sq. miles (1.143764 sq. km) FIPS code: 48118 Located within: Ohio (OH), FIPS 39 Location: 39.323042 N, 83.811003 W ZIP Codes (1990): 45146 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Martinsville, OH Martinsville