Lancaster County's estimated 2026 population is 117,293 with a growth rate of 2.62% in the past year according to the most recent United States census data. Lancaster County is the 15th largest county in South Carolina. The 2010 population was 76,976 and has seen a growth of 52.38% since that time.
Data after 2023 is projected based on recent change
Overall: 42.5 years
Female: 44.2 years
Male: 40.8 years
There are 81,952 adults, (22,735 of whom are seniors) in Lancaster County.
Female: 53,227 (50.9%)
Male: 51,248 (49.1%)
The racial composition of Lancaster County includes 68.74% White, 19.29% Black or African American, and smaller percentages for Asian, other race, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 71,819 | 68.74% |
| Black or African American | 20,156 | 19.29% |
| Two or more races | 7,271 | 6.96% |
| Asian | 2,636 | 2.52% |
| Other race | 2,480 | 2.37% |
| Native American | 113 | 0.11% |
Lancaster County's average per capita income is $52,755. Household income levels show a median of $78,869. The poverty rate stands at 11.42%.
Name | Median | Mean |
|---|---|---|
| Married Families | $111,974 | $136,549 |
| Families | $100,505 | $122,892 |
| Households | $78,869 | $106,641 |
| Non Families | $43,597 | $65,386 |
Average Income
Median Household Income
Poverty Rate