Martinsville
- Population
- 439 (2020)
- Type
- Village
- Area
- 0.37 sq mi (0.95 km²), 0 sq mi water
- Median age
- 37.5
- Households
- 558
- Persons per household
- 2.8
- Median household income
- $61,964
- Average house value
- $108,600
- Businesses
- 6
- Employees
- 22
- Government
- VILLAGE OF MARTINSVILLE
- Government office
- 316 SCHOOL ST, MARTINSVILLE, OH 45146