South Carolina Citizen Population By County in 2023 (ACS-5Yrs)

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2023, the citizen population for South Carolina was 5,049,745 and represented 96.87% of the total South Carolina population.

Among all South Carolina counties, Greenville had the highest citizen population (511.19K), followed by Richland (405.64K), and Charleston (399.50K).

In terms of percentages, McCormick had the highest percentage of its population being citizens (99.95%), followed by Fairfield (99.86%), and Chester (99.61%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

You can see similar information for other states and by state for the United States.