
Calhoun County
- State:
- South Carolina
Calhoun County's estimated 2025 population is 14,164 with a growth rate of -0.08% in the past year according to the most recent United States census data. Calhoun County is the 43rd largest county in South Carolina. The 2010 population was 15,098 and has seen a growth of -6.19% since that time.