Aiken County, South Carolina
Located in South Carolina, Aiken County has a population of 174,160 residents and a median age of 42.0 years, making it the #395 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 14.3%. The median home value is $218,000, and the median household income is $70,609, which is 6% below the national median.
Demographics
Aiken County has a population of 174,160, making it the #395 most populous county in the US. The median age is 42.0 years, which is 8.0% 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 Aiken County is $70,609, ranking #1,156 out of 3,222 counties — 6.0% below the national median. The poverty rate is 14.3% and unemployment stands at 6.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Aiken County is $218,000 (-22.7% vs national). Renters pay a median of $1,062/mo and the homeownership rate is 76.5%.
Median Home Value Trend
Rankings →Household Type
Education
In Aiken County, 31.9% of adults age 25+ hold a bachelor's degree or higher, which is 5.2% below the national average, ranking #630 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Aiken County is 73.5 years. 18.7% of adults report poor or fair health and 10.7% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.6% of adults in Aiken County smoke , 37.0% are obese , and 19.9% report excessive drinking. The drug overdose death rate is 49.6 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Aiken County is 11.6 per 100,000 and the suicide rate is 21.4 per 100,000. Motor vehicle deaths occur at a rate of 17.5 per 100,000.
Homicide Rate Trend
Families & Children
17.7% of children in Aiken County live in poverty and the infant mortality rate is 7.3 per 1,000 live births. The teen birth rate is 20.9 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Aiken County is 65.8%. The mean commute time is 27.4 min, which is 0.6% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Aiken County voted Republican with a margin of 25.9%. The vote was 36.4% Dem / 62.3% Rep. Compared to 2020, the margin shifted 3.2 toward Republicans .
Vote Share Over Time
About Aiken County, South Carolina
Aiken County, South Carolina has a total population of 174,160, making it the 395th most populous county in the United States. The median age in Aiken County is 42.0 years, which is 8.0% above the national median of 38.9 years.
The median household income in Aiken County is $70,609, which ranks #1,156 of 3,222 counties nationwide. This is 6.0% below the national median of $75,149. The poverty rate is 14.3%, higher than the national rate of 12.6%. The unemployment rate stands at 6.0%.
The median home value in Aiken County is $218,000, 22.7% below the national median. Renters in Aiken County pay a median gross rent of $1,062 per month. The homeownership rate is 76.5%, compared to the national rate of 64.4%.
In Aiken County, 31.9% of residents aged 25 and older hold a bachelor's degree or higher, 5.2% below the national average of 33.7%. Health insurance coverage stands at 91.2% of the population. The average commute time for workers is 27.4 min.
Aiken County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 63.5% of the population, followed by Black (non-Hispanic) (23.7%) and Hispanic or Latino (7.2%).
All data for Aiken 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.