York County Flag

York County

County Seat:
York

York County's estimated 2026 population is 311,013 with a growth rate of 1.34% in the past year according to the most recent United States census data. York County is the 7th largest county in South Carolina. The 2010 population was 226,871 and has seen a growth of 37.09% since that time.

311,013
Total Population
457
Population Density (mi²)
7
Population Rank (State)
4.1K 1.34%
Annual Population Growth

York County Population

Demographics

Economics and Income Statistics