Martin County, North Carolina
Located in North Carolina, Martin County has a population of 21,644 residents and a median age of 46.8 years, making it the #1,786 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 20.4%. The median home value is $109,700, and the median household income is $48,578, which is 35% below the national median.
Demographics
Martin County has a population of 21,644, making it the #1,786 most populous county in the US. The median age is 46.8 years, which is 20.3% 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 $48,578, ranking #2,853 out of 3,222 counties — 35.4% below the national median. The poverty rate is 20.4% and unemployment stands at 6.1%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Martin County is $109,700 (-61.1% vs national). Renters pay a median of $758/mo and the homeownership rate is 66.8%.
Median Home Value Trend
Rankings →Household Type
Education
In Martin County, 16.7% of adults age 25+ hold a bachelor's degree or higher, which is 50.4% below the national average, ranking #2,549 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Martin County is 71.1 years. 23.3% of adults report poor or fair health and 12.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
19.7% of adults in Martin County smoke , 38.5% are obese , and 17.2% report excessive drinking. The drug overdose death rate is 39.7 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Martin County is 10.9 per 100,000 and the suicide rate is 11.8 per 100,000. Motor vehicle deaths occur at a rate of 20.4 per 100,000.
Homicide Rate Trend
Families & Children
30.8% of children in Martin County live in poverty and the infant mortality rate is 12.3 per 1,000 live births. The teen birth rate is 27.4 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Martin County is 71.4%. The mean commute time is 28.5 min, which is 3.2% 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 10.3%. The vote was 44.6% Dem / 54.9% Rep. Compared to 2020, the margin shifted 5.3 toward Republicans .
Vote Share Over Time
About Martin County, North Carolina
Martin County, North Carolina has a total population of 21,644, making it the 1,786th most populous county in the United States. The median age in Martin County is 46.8 years, which is 20.3% above the national median of 38.9 years.
The median household income in Martin County is $48,578, which ranks #2,853 of 3,222 counties nationwide. This is 35.4% below the national median of $75,149. The poverty rate is 20.4%, higher than the national rate of 12.6%. The unemployment rate stands at 6.1%.
The median home value in Martin County is $109,700, 61.1% below the national median. Renters in Martin County pay a median gross rent of $758 per month. The homeownership rate is 66.8%, compared to the national rate of 64.4%.
In Martin County, 16.7% of residents aged 25 and older hold a bachelor's degree or higher, 50.4% below the national average of 33.7%. Health insurance coverage stands at 92.9% of the population. The average commute time for workers is 28.5 min.
Martin County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 51.2% of the population, followed by Black (non-Hispanic) (40.1%) and Hispanic or Latino (4.4%).
All data for Martin County, North Carolina 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.