Dillon County, South Carolina
Located in South Carolina, Dillon County has a population of 27,862 residents and a median age of 38.2 years, making it the #1,549 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 27.7%. The median home value is $85,400, and the median household income is $46,605, which is 38% below the national median.
Demographics
Dillon County has a population of 27,862, making it the #1,549 most populous county in the US. The median age is 38.2 years, which is 1.8% 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 Dillon County is $46,605, ranking #2,916 out of 3,222 counties — 38.0% below the national median. The poverty rate is 27.7% and unemployment stands at 8.9%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Dillon County is $85,400 (-69.7% vs national). Renters pay a median of $679/mo and the homeownership rate is 64.7%.
Median Home Value Trend
Rankings →Household Type
Education
In Dillon County, 13.8% of adults age 25+ hold a bachelor's degree or higher, which is 59.1% below the national average, ranking #2,955 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Dillon County is 67.2 years. 31.9% of adults report poor or fair health and 13.2% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
28.2% of adults in Dillon County smoke , 42.3% are obese , and 15.2% report excessive drinking. The drug overdose death rate is 68.5 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Dillon County is 37.8 per 100,000 and the suicide rate is 8.5 per 100,000. Motor vehicle deaths occur at a rate of 26.8 per 100,000.
Homicide Rate Trend
Families & Children
34.6% of children in Dillon County live in poverty and the infant mortality rate is 9.4 per 1,000 live births. The teen birth rate is 41.1 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Dillon County is 57.8%. The mean commute time is 28.9 min, which is 4.6% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Dillon County voted Republican with a margin of 10.8%. The vote was 44.2% Dem / 55% Rep. Compared to 2020, the margin shifted 9.7 toward Republicans .
Vote Share Over Time
About Dillon County, South Carolina
Dillon County, South Carolina has a total population of 27,862, making it the 1,549th most populous county in the United States. The median age in Dillon County is 38.2 years, which is 1.8% below the national median of 38.9 years.
The median household income in Dillon County is $46,605, which ranks #2,916 of 3,222 counties nationwide. This is 38.0% below the national median of $75,149. The poverty rate is 27.7%, higher than the national rate of 12.6%. The unemployment rate stands at 8.9%.
The median home value in Dillon County is $85,400, 69.7% below the national median. Renters in Dillon County pay a median gross rent of $679 per month. The homeownership rate is 64.7%, compared to the national rate of 64.4%.
In Dillon County, 13.8% of residents aged 25 and older hold a bachelor's degree or higher, 59.1% below the national average of 33.7%. Health insurance coverage stands at 87.5% of the population. The average commute time for workers is 28.9 min.
Dillon County is a diverse community. The largest racial or ethnic group is Black (non-Hispanic) at 45.3% of the population, followed by White (non-Hispanic) (44.5%) and Two or More Races (4.7%).
All data for Dillon County, South 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.