Martin County's estimated 2026 population is 9,868 with a growth rate of 0.02% in the past year according to the most recent United States census data. Martin County is the 88th largest county in Indiana. The 2010 population was 10,361 and has seen a growth of -4.76% since that time.
Data after 2023 is projected based on recent change
The racial composition of Martin County includes 95.72% White, and smaller percentages for other race, Black or African American, Asian, Native American and multiracial populations.
White (95.72%)
Two or more races (3.6%)
Other race (0.41%)
Black or African American (0.15%)
Asian (0.11%)
Native American (0.01%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 9,432 | 95.72% |
| Two or more races | 355 | 3.6% |
| Other race | 40 | 0.41% |
| Black or African American | 15 | 0.15% |
| Asian | 11 | 0.11% |
| Native American | 1 | 0.01% |
Married
Widowed
Divorced
Separated
Never Married
Martin County's average per capita income is $46,618. Household income levels show a median of $65,345. The poverty rate stands at 16.44%.
Name | Median | Mean |
|---|---|---|
| Married Families | $100,795 | - |
| Families | $93,625 | $97,266 |
| Households | $65,345 | $80,001 |
| Non Families | $36,813 | $51,523 |
Average Income
Median Household Income
Poverty Rate
