Martin County, Kentucky
Located in Kentucky, Martin County has a population of 11,027 residents and a median age of 40.6 years, making it the #2,414 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 33.2%. The median home value is $86,900, and the median household income is $37,042, which is 51% below the national median.
Demographics
Martin County has a population of 11,027, making it the #2,414 most populous county in the US. The median age is 40.6 years, which is 4.4% 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 $37,042, ranking #3,105 out of 3,222 counties — 50.7% below the national median. The poverty rate is 33.2% and unemployment stands at 5.4%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Martin County is $86,900 (-69.2% vs national). Renters pay a median of $450/mo and the homeownership rate is 84.9%.
Median Home Value Trend
Rankings →Household Type
Education
In Martin County, 10.2% of adults age 25+ hold a bachelor's degree or higher, which is 69.8% below the national average, ranking #3,175 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Martin County is 70.6 years. 33.9% of adults report poor or fair health and 6.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
29.5% of adults in Martin County smoke , 43.3% are obese , and 14.1% report excessive drinking. The drug overdose death rate is 72.2 per 100,000.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 16.4 per 100,000.
Motor Vehicle Deaths Trend
Families & Children
53.2% of children in Martin County live in poverty . The teen birth rate is 37.3 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Martin County is 43.0%. The mean commute time is 34.6 min, which is 25.5% 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 83.6%. The vote was 7.9% Dem / 91.5% Rep. Compared to 2020, the margin shifted 5.0 toward Republicans .
Vote Share Over Time
About Martin County, Kentucky
Martin County, Kentucky has a total population of 11,027, making it the 2,414th most populous county in the United States. The median age in Martin County is 40.6 years, which is 4.4% above the national median of 38.9 years.
The median household income in Martin County is $37,042, which ranks #3,105 of 3,222 counties nationwide. This is 50.7% below the national median of $75,149. The poverty rate is 33.2%, higher than the national rate of 12.6%. The unemployment rate stands at 5.4%.
The median home value in Martin County is $86,900, 69.2% below the national median. Renters in Martin County pay a median gross rent of $450 per month. The homeownership rate is 84.9%, compared to the national rate of 64.4%.
In Martin County, 10.2% of residents aged 25 and older hold a bachelor's degree or higher, 69.8% below the national average of 33.7%. Health insurance coverage stands at 98.4% of the population. The average commute time for workers is 34.6 min.
Martin County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 84.7% of the population, followed by Black (non-Hispanic) (7.8%) and Two or More Races (5.1%).
All data for Martin County, Kentucky 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.