Lancaster County Flag

Lancaster County

County Seat:

Lancaster County's estimated 2026 population is 117,364 with a growth rate of 2.49% 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 52.47% since that time.

117,364
Total Population
214
Population Density (mi²)
15
Population Rank (State)
2.9K 2.49%
Annual Population Growth

Lancaster County Population

Demographics

Economics and Income Statistics