Clarendon County, South Carolina
Located in South Carolina, Clarendon County has a population of 30,986 residents and a median age of 45.9 years, making it the #1,450 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 15.4%. The median home value is $158,000, and the median household income is $52,401, which is 30% below the national median.
Demographics
Clarendon County has a population of 30,986, making it the #1,450 most populous county in the US. The median age is 45.9 years, which is 18.0% 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 Clarendon County is $52,401, ranking #2,637 out of 3,222 counties — 30.3% below the national median. The poverty rate is 15.4% and unemployment stands at 6.8%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Clarendon County is $158,000 (-44.0% vs national). Renters pay a median of $763/mo and the homeownership rate is 72.9%.
Median Home Value Trend
Rankings →Household Type
Education
In Clarendon County, 18.2% of adults age 25+ hold a bachelor's degree or higher, which is 45.9% below the national average, ranking #2,317 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Clarendon County is 71.2 years. 22.0% of adults report poor or fair health and 12.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
19.2% of adults in Clarendon County smoke , 45.6% are obese , and 18.7% report excessive drinking. The drug overdose death rate is 27.3 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Clarendon County is 10.0 per 100,000 and the suicide rate is 16.9 per 100,000. Motor vehicle deaths occur at a rate of 30.3 per 100,000.
Homicide Rate Trend
Families & Children
29.7% of children in Clarendon County live in poverty and the infant mortality rate is 11.2 per 1,000 live births. The teen birth rate is 25.2 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Clarendon County is 62.1%. The mean commute time is 33.8 min, which is 22.3% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Clarendon County voted Republican with a margin of 12.2%. The vote was 43.3% Dem / 55.5% Rep. Compared to 2020, the margin shifted 11.5 toward Republicans .
Vote Share Over Time
About Clarendon County, South Carolina
Clarendon County, South Carolina has a total population of 30,986, making it the 1,450th most populous county in the United States. The median age in Clarendon County is 45.9 years, which is 18.0% above the national median of 38.9 years.
The median household income in Clarendon County is $52,401, which ranks #2,637 of 3,222 counties nationwide. This is 30.3% below the national median of $75,149. The poverty rate is 15.4%, higher than the national rate of 12.6%. The unemployment rate stands at 6.8%.
The median home value in Clarendon County is $158,000, 44.0% below the national median. Renters in Clarendon County pay a median gross rent of $763 per month. The homeownership rate is 72.9%, compared to the national rate of 64.4%.
In Clarendon County, 18.2% of residents aged 25 and older hold a bachelor's degree or higher, 45.9% below the national average of 33.7%. Health insurance coverage stands at 91.0% of the population. The average commute time for workers is 33.8 min.
Clarendon County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 49.3% of the population, followed by Black (non-Hispanic) (44.1%) and Hispanic or Latino (3.2%).
All data for Clarendon 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.