Lancaster County, South Carolina
Located in South Carolina, Lancaster County has a population of 104,475 residents and a median age of 42.5 years, making it the #600 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 11.4%. The median home value is $329,900, and the median household income is $78,869, which is 5% above the national median.
Demographics
Lancaster County has a population of 104,475, making it the #600 most populous county in the US. The median age is 42.5 years, which is 9.3% 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 Lancaster County is $78,869, ranking #630 out of 3,222 counties — 5.0% above the national median. The poverty rate is 11.4% and unemployment stands at 4.3%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Lancaster County is $329,900 (+17.0% vs national). Renters pay a median of $959/mo and the homeownership rate is 83.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Lancaster County, 33.6% of adults age 25+ hold a bachelor's degree or higher, which is 0.4% below the national average, ranking #540 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Lancaster County is 75.3 years. 16.0% of adults report poor or fair health and 9.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
16.2% of adults in Lancaster County smoke , 36.0% are obese , and 17.9% report excessive drinking. The drug overdose death rate is 54.3 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Lancaster County is 11.3 per 100,000 and the suicide rate is 14.2 per 100,000. Motor vehicle deaths occur at a rate of 24.1 per 100,000.
Homicide Rate Trend
Families & Children
13.7% of children in Lancaster County live in poverty and the infant mortality rate is 5.9 per 1,000 live births. The teen birth rate is 21.1 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Lancaster County is 69.2%. The mean commute time is 32.0 min, which is 16.1% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Lancaster County voted Republican with a margin of 24.8%. The vote was 37% Dem / 61.8% Rep. Compared to 2020, the margin shifted 2.0 toward Republicans .
Vote Share Over Time
About Lancaster County, South Carolina
Lancaster County, South Carolina has a total population of 104,475, making it the 600th most populous county in the United States. The median age in Lancaster County is 42.5 years, which is 9.3% above the national median of 38.9 years.
The median household income in Lancaster County is $78,869, which ranks #630 of 3,222 counties nationwide. This is 5.0% above the national median of $75,149. The poverty rate is 11.4%, lower than the national rate of 12.6%. The unemployment rate stands at 4.3%.
The median home value in Lancaster County is $329,900, 17.0% above the national median. Renters in Lancaster County pay a median gross rent of $959 per month. The homeownership rate is 83.3%, compared to the national rate of 64.4%.
In Lancaster County, 33.6% of residents aged 25 and older hold a bachelor's degree or higher, 0.4% below the national average of 33.7%. Health insurance coverage stands at 92.1% of the population. The average commute time for workers is 32.0 min.
Lancaster County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 67.2% of the population, followed by Black (non-Hispanic) (19.3%) and Hispanic or Latino (7.5%).
All data for Lancaster 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.