Lexington County Flag

Lexington County

County Seat:
Lexington

Lexington County's estimated 2026 population is 321,092 with a growth rate of 1.1% in the past year according to the most recent United States census data. Lexington County is the 6th largest county in South Carolina. The 2010 population was 263,365 and has seen a growth of 21.92% since that time.

321,092
Total Population
459
Population Density (mi²)
6
Population Rank (State)
3.5K 1.1%
Annual Population Growth

Lexington County Population

Demographics

Economics and Income Statistics