Lancaster County, South Carolina Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 16th-largest in South Carolina
The population of Lancaster County, South Carolina is 100,905 as of the 2023 American Community Survey, making it the 16th-largest county in South Carolina. The median household income is $74,751, the median home value is $298,100, and the median age is 42.2.
The population of Lancaster County has grown 45.0% since 2010 (76,976 → 111,652), a +2.69% annualized rate.
100,905
Population
+2.69%
Annual growth
184
People / sq mi
$74,751
Median Income
$298,100
Median Home Value
Lancaster County covers 549 sq mi of land at 183.7 people per square mile.
About Lancaster County, SC
Homeownership is the standout figure in Lancaster County: 83.3% of homes are owner-occupied, higher than the national rate. With 100,905 residents, Lancaster County is a county in South Carolina. It ranks #16 among counties in South Carolina by population.
The typical household earns $74,751 a year, near the US median of $78,538. The poverty rate is 9.0%, below the national 12.4%. Home values run above average at $298,100, with typical rent around $892.
About 31.2% of adults 25 and older have a bachelor’s degree, below the 35.0% national figure. Remote work is widespread — 16.8% of workers stay home, above the national 14.0%, and the average commute runs about 30 minutes each way.
The ownership rate anchors the housing story in Lancaster County, and tends to move with the age structure and home-value figures above.
Lancaster County Population History (2010-2024)
The county of Lancaster County had a population of 76,976 in 2010 and 111,652 in 2024, a 45.0% growth over 14 years. The peak was 111,652 in 2024. Average annual growth rate: 2.70%.
111,652
Population (2024)
76,976
Population (2010)
111,652
Peak (2024)
2.70%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 76,976 |
| 2011 | 77,872 |
| 2012 | 79,350 |
| 2013 | 80,698 |
| 2014 | 83,499 |
| 2015 | 86,346 |
| 2016 | 89,953 |
| 2017 | 92,517 |
| 2018 | 95,213 |
| 2019 | 98,280 |
| 2020 | 96,592 |
| 2021 | 100,540 |
| 2022 | 104,795 |
| 2023 | 108,796 |
| 2024 | 111,652 |
Race & Ethnicity
| White | 70.4% |
| Black or African American | 19.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.0% |
Age & Sex
42.2
Median Age
51.2%
Female
48.8%
Male
21.5%
Age 65+
Age Distribution
Children (under 15): 18.1% · Seniors (65+): 21.5%
Income & Poverty
| Median household income | $74,751+$7,933 vs state |
| Mean household income | $102,695 |
| Per-capita income | $41,492 |
| Poverty rate | 9.0%-1.1% vs state |
| Unemployment rate | 3.2% |
| Employment-to-population | 54.8% |
Top Industries by Employment
The largest employment sector in Lancaster County is professional & business services, accounting for 18.4% of workers.
How residents commute
0.1%
Drive alone
0.6%
Carpool
73.6%
Public transit
16.8%
Work from home
29.6 min
Avg commute
Housing
$298,100+$61,400 vs state
Median home value
$892
Median rent
83.3%
Homeownership rate
42,696
Total housing units
91.8%
Occupied
8.2%
Vacant
16.7%
Renter-occupied
Social & access
91.7%
With health insurance
92.9%
With broadband internet
48.1%
Foreign-born
7.5%
Veterans (18+)
14.2%
With a disability
90.8%
Speak language other than English at home
Education
89.0%
High School+
31.2%
Bachelor's+
Largest cities in South Carolina
Other counties in South Carolina
Part of South Carolina
Metro areas in South Carolina
County rankings
Frequently Asked Questions
Lancaster County, South Carolina has a population of 100,905 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 16th-largest county in South Carolina. Population density is 184 people per square mile.
The population of Lancaster County has grown 45.0% since 2010 (76,976 → 111,652), a +2.69% annualized rate.
The median household income in Lancaster County, South Carolina is $74,751, with mean (average) household income of $102,695 and per-capita income of $41,492. 9.0% of residents live below the federal poverty level.
In Lancaster County, the largest racial and ethnic groups are White (70.4%), Black or African American (19.4%), Hispanic or Latino (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Lancaster County, South Carolina is 42.2 years. Residents are 51.2% female and 48.8% male.
The median home value in Lancaster County is $298,100 and median monthly rent is $892. 83.3% of occupied housing units are owner-occupied. The county has 42,696 total housing units, 8.2% of which are vacant.
The largest employment sector in Lancaster County, South Carolina is professional, scientific, and management services, employing 18.4% of workers. The unemployment rate is 3.2%.
Charleston is among the largest cities associated with Lancaster County, South Carolina, with a population of 152,014.
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Full rankings of South Carolina counties
Statewide data for South Carolina
Population, race, income, age, and trends across South Carolina
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.