Also See Martinsville, IN: ZIP Codes & Maps
The City of Martinsville had a population of 11,863 as of July 1, 2025.
The primary coordinate point for Martinsville is located at latitude 39.4278 and longitude -86.4283 in Morgan County. The formal boundaries for the City of Martinsville encompass a land area of 4.49 sq. miles and a water area of 0.02 sq. miles. Morgan County is in the Eastern time zone (GMT -5).
The City of Martinsville has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
The City of Martinsville is located within Township of Washington, a minor civil division (MCD) of Morgan County.
| POPULATION | |
|---|---|
| Total Population | 11,863 (100%) | 
| Population in Households | 11,410 (96.2%) | 
| Population in Families | 8,714 (73.5%) | 
| Population in Group Quarters1 | 453 ( 3.8%) | 
| Population Density | 1,296 | 
| Diversity Index2 | 19 | 
| INCOME | |
| Median Household Income | $60,412 | 
| Average Household Income | $76,553 | 
| % of Income for Mortgage4 | 19% | 
| Per Capita Income | $32,130 | 
| Wealth Index5 | 55 | 
| Socioeconomic Status Index6 | Moderate (47.7) | 
| HOUSING | |
|---|---|
| Total HU (Housing Units) | 5,378 (100%) | 
| Owner Occupied HU | 2,939 (54.6%) | 
| Renter Occupied HU | 2,020 (37.6%) | 
| Vacant Housing Units | 419 ( 7.8%) | 
| Median Home Value | $179,289 | 
| Average Home Value | $209,815 | 
| Housing Affordability Index3 | 124 | 
| HOUSEHOLDS | |
| Total Households | 4,959 | 
| Average Household Size | 2.30 | 
| Family Households | 2,917 | 
| Average Family Size | 3.00 | 
| GROWTH RATE / YEAR | 2020-2025 | 2025-2030 | 
|---|---|---|
| Population | -0.11% | -0.14% | 
| Households | 0.29% | 0.14% | 
| Families | -0.21% | |
| Median Household Income | 1.78% | |
| Per Capita Income | 2.79% | |
| Owner Occupied HU | 0.57% | 
The table below compares Martinsville to the other 976 incorporated cities, towns and CDPs in Indiana by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile | 
|---|---|---|
| Total Population | # 75 | 92nd | 
| Population Density | # 339 | 65th | 
| Median Household Income | # 744 | 24th | 
| Housing Affordability Index | # 573 | 59th | 
| Per Capita Income | # 650 | 34th | 
| Diversity Index | # 473 | 52nd | 
Additional comparisons and rankings can be made with a VERY EASY TO USE Indiana Census Data Comparison Tool.
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