Union County, Mississippi
Located in Mississippi, Union County has a population of 28,122 residents and a median age of 38.3 years, making it the #1,538 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 15.1%. The median home value is $163,400, and the median household income is $55,505, which is 26% below the national median.
Demographics
Union County has a population of 28,122, making it the #1,538 most populous county in the US. The median age is 38.3 years, which is 1.5% below 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 Union County is $55,505, ranking #2,436 out of 3,222 counties — 26.1% below the national median. The poverty rate is 15.1% and unemployment stands at 4.4%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Union County is $163,400 (-42.0% vs national). Renters pay a median of $865/mo and the homeownership rate is 74.7%.
Median Home Value Trend
Rankings →Household Type
Education
In Union County, 19.1% of adults age 25+ hold a bachelor's degree or higher, which is 43.2% below the national average, ranking #2,157 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Union County is 73.4 years. 21.1% of adults report poor or fair health and 13.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
16.2% of adults in Union County smoke , 39.8% are obese , and 17.3% report excessive drinking. The drug overdose death rate is 14.1 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 20.0 per 100,000. Motor vehicle deaths occur at a rate of 23.1 per 100,000.
Suicide Rate Trend
Families & Children
19.5% of children in Union County live in poverty . The teen birth rate is 32.5 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Union County is 60.8%. The mean commute time is 25.6 min, which is 7.2% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Union County voted Republican with a margin of 70.1%. The vote was 14.5% Dem / 84.6% Rep. Compared to 2020, the margin shifted 5.3 toward Republicans .
Vote Share Over Time
About Union County, Mississippi
Union County, Mississippi has a total population of 28,122, making it the 1,538th most populous county in the United States. The median age in Union County is 38.3 years, which is 1.5% below the national median of 38.9 years.
The median household income in Union County is $55,505, which ranks #2,436 of 3,222 counties nationwide. This is 26.1% below the national median of $75,149. The poverty rate is 15.1%, higher than the national rate of 12.6%. The unemployment rate stands at 4.4%.
The median home value in Union County is $163,400, 42.0% below the national median. Renters in Union County pay a median gross rent of $865 per month. The homeownership rate is 74.7%, compared to the national rate of 64.4%.
In Union County, 19.1% of residents aged 25 and older hold a bachelor's degree or higher, 43.2% below the national average of 33.7%. Health insurance coverage stands at 88.9% of the population. The average commute time for workers is 25.6 min.
Union County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 76.5% of the population, followed by Black (non-Hispanic) (13.6%) and Hispanic or Latino (4.9%).
All data for Union County, Mississippi 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.