Greenville County, South Carolina
Located in South Carolina, Greenville County has a population of 548,166 residents and a median age of 38.4 years, making it the #129 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 10.8%. The median home value is $299,000, and the median household income is $76,932, which is 2% above the national median.
Demographics
Greenville County has a population of 548,166, making it the #129 most populous county in the US. The median age is 38.4 years, which is 1.3% 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 Greenville County is $76,932, ranking #730 out of 3,222 counties — 2.4% above the national median. The poverty rate is 10.8% and unemployment stands at 4.4%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Greenville County is $299,000 (+6.1% vs national). Renters pay a median of $1,262/mo and the homeownership rate is 68.9%.
Median Home Value Trend
Rankings →Household Type
Education
In Greenville County, 41.3% of adults age 25+ hold a bachelor's degree or higher, which is 22.4% above the national average, ranking #244 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Greenville County is 76.1 years. 12.9% of adults report poor or fair health and 10.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
11.1% of adults in Greenville County smoke , 30.0% are obese , and 19.6% report excessive drinking. The drug overdose death rate is 45.2 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Greenville County is 7.1 per 100,000 and the suicide rate is 16.3 per 100,000. Motor vehicle deaths occur at a rate of 17.8 per 100,000.
Homicide Rate Trend
Families & Children
14.6% of children in Greenville County live in poverty and the infant mortality rate is 5.7 per 1,000 live births. The teen birth rate is 16.8 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Greenville County is 69.0%. The mean commute time is 25.6 min, which is 7.4% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Greenville County voted Republican with a margin of 22.2%. The vote was 38% Dem / 60.2% Rep. Compared to 2020, the margin shifted 4.0 toward Republicans .
Vote Share Over Time
About Greenville County, South Carolina
Greenville County, South Carolina has a total population of 548,166, making it the 129th most populous county in the United States. The median age in Greenville County is 38.4 years, which is 1.3% below the national median of 38.9 years.
The median household income in Greenville County is $76,932, which ranks #730 of 3,222 counties nationwide. This is 2.4% above the national median of $75,149. The poverty rate is 10.8%, lower than the national rate of 12.6%. The unemployment rate stands at 4.4%.
The median home value in Greenville County is $299,000, 6.1% above the national median. Renters in Greenville County pay a median gross rent of $1,262 per month. The homeownership rate is 68.9%, compared to the national rate of 64.4%.
In Greenville County, 41.3% of residents aged 25 and older hold a bachelor's degree or higher, 22.4% above the national average of 33.7%. Health insurance coverage stands at 90.0% of the population. The average commute time for workers is 25.6 min.
Greenville County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 65.2% of the population, followed by Black (non-Hispanic) (15.3%) and Hispanic or Latino (11.6%).
All data for Greenville 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.