Martin County, Indiana
Located in Indiana, Martin County has a population of 9,830 residents and a median age of 42.7 years, making it the #2,494 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 16.3%. The median home value is $159,400, and the median household income is $68,594, which is 9% below the national median.
Demographics
Martin County has a population of 9,830, making it the #2,494 most populous county in the US. The median age is 42.7 years, which is 9.8% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Martin County is $68,594, ranking #1,293 out of 3,222 counties — 8.7% below the national median. The poverty rate is 16.3% and unemployment stands at 2.4%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Martin County is $159,400 (-43.5% vs national). Renters pay a median of $697/mo and the homeownership rate is 78.5%.
Median Home Value Trend
Rankings →Household Type
Education
In Martin County, 13.3% of adults age 25+ hold a bachelor's degree or higher, which is 60.5% below the national average, ranking #3,000 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Martin County is 75.8 years. 22.0% of adults report poor or fair health and 8.7% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
24.0% of adults in Martin County smoke , 39.6% are obese , and 19.3% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 20.4 per 100,000. Motor vehicle deaths occur at a rate of 18.4 per 100,000.
Motor Vehicle Deaths Trend
Families & Children
16.3% of children in Martin County live in poverty . The teen birth rate is 23.6 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Martin County is 65.1%. The mean commute time is 31.2 min, which is 13.0% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Martin County voted Republican with a margin of 60.7%. The vote was 18.7% Dem / 79.4% Rep. Compared to 2020, the margin shifted 2.1 toward Republicans .
Vote Share Over Time
About Martin County, Indiana
Martin County, Indiana has a total population of 9,830, making it the 2,494th most populous county in the United States. The median age in Martin County is 42.7 years, which is 9.8% above the national median of 38.9 years.
The median household income in Martin County is $68,594, which ranks #1,293 of 3,222 counties nationwide. This is 8.7% below the national median of $75,149. The poverty rate is 16.3%, higher than the national rate of 12.6%. The unemployment rate stands at 2.4%.
The median home value in Martin County is $159,400, 43.5% below the national median. Renters in Martin County pay a median gross rent of $697 per month. The homeownership rate is 78.5%, compared to the national rate of 64.4%.
In Martin County, 13.3% of residents aged 25 and older hold a bachelor's degree or higher, 60.5% below the national average of 33.7%. Health insurance coverage stands at 92.3% of the population. The average commute time for workers is 31.2 min.
Martin County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 94.6% of the population, followed by Two or More Races (3.0%) and Hispanic or Latino (1.4%).
All data for Martin County, Indiana comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.