Martinsville is located in Ohio. Martinsville, Ohio 45146 has population of 322. Martinsville 45146 is more family-centric than the surrounding county with 32% of the households with children.
The median household income in Martinsville, Ohio 45146 is $60,773. The median household income for the surrounding county is $54,369 compared to the national median of $66,222. The median age of people living in Martinsville 45146 is 40.3 years.
The average high temperature in July is 83.8 degrees, with an average low temperature in January of 18.6 degrees. The annual precipitation is 42.87.
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