Lexington County's 2026 population is estimated at 321,568, reflecting a 1.23% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Lexington County is the 6th largest county in South Carolina. The 2010 population was 263,365 and has grown 22.1% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.8 years
Female: 40.5 years
Male: 39 years
There are 234,854 adults, (52,089 of whom are seniors) in Lexington County.
Female: 156,222 (51.2%)
Male: 148,665 (48.8%)
The racial composition of Lexington County includes 71.97% White, 15.28% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 219,424 | 71.97% |
| Black or African American | 46,578 | 15.28% |
| Two or more races | 22,792 | 7.48% |
| Other race | 8,528 | 2.8% |
| Asian | 6,738 | 2.21% |
| Native American | 792 | 0.26% |
| Native Hawaiian or Pacific Islander | 35 | 0.01% |
Lexington County 's average per capita income is $50,780. Household income levels show a median of $77,408. The poverty rate stands at 11.11%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $107,996 | $130,206 |
| Families | $91,965 | $113,460 |
| Households | $77,408 | $97,803 |
| Non Families | $47,172 | $60,704 |
Average Income
Median Household Income
Poverty Rate