
Clarendon County
- State:
- South Carolina
Clarendon County's estimated 2025 population is 31,158 with a growth rate of 0.25% in the past year according to the most recent United States census data. Clarendon County is the 30th largest county in South Carolina. The 2010 population was 34,947 and has seen a growth of -10.84% since that time.