South Carolina Citizen Voting-age Population By County in 2018 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen voting-age population for South Carolina was 3,731,350 and represented 75.29% of the total South Carolina population.
Among all South Carolina counties, Greenville had the highest citizen voting-age population (359.18K), followed by Richland (309.11K), and Charleston (305.28K).
In terms of percentages, McCormick had the highest percentage of its population being citizens of voting-age (87.14%), followed by Allendale (80.14%), and Fairfield (79.79%).
The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.
You can see similar information for other states and by state for the United States.
| County | Citizen Voting-age Population | % of County Population |
|---|---|---|
| Greenville | 359180 | 72.07 |
| Richland | 309105 | 75.71 |
| Charleston | 305280 | 77.34 |
| Horry | 250830 | 78.16 |
| Spartanburg | 222050 | 73.48 |
| Lexington | 211175 | 73.76 |
| York | 189355 | 73.21 |
| Berkeley | 153030 | 73.20 |
| Anderson | 147930 | 75.48 |
| Beaufort | 139160 | 76.19 |
| Aiken | 125470 | 75.17 |
| Dorchester | 113700 | 73.13 |
| Florence | 103815 | 74.92 |
| Pickens | 96235 | 78.40 |
| Sumter | 79255 | 74.07 |
| Lancaster | 68545 | 76.55 |
| Orangeburg | 67775 | 76.62 |
| Oconee | 59900 | 78.10 |
| Greenwood | 52415 | 74.60 |
| Darlington | 51445 | 76.49 |
| Laurens | 50915 | 76.32 |
| Georgetown | 49005 | 79.55 |
| Kershaw | 48840 | 75.89 |
| Cherokee | 42815 | 75.50 |
| Chesterfield | 34640 | 75.26 |
| Colleton | 28510 | 75.89 |
| Newberry | 28335 | 74.43 |
| Clarendon | 26870 | 79.00 |
| Chester | 24845 | 76.86 |
| Williamsburg | 24650 | 77.53 |
| Marion | 23795 | 75.40 |
| Dillon | 22525 | 72.97 |
| Union | 21570 | 78.03 |
| Marlboro | 21155 | 77.98 |
| Edgefield | 21040 | 78.60 |
| Jasper | 20120 | 72.11 |
| Abbeville | 19365 | 78.54 |
| Fairfield | 18120 | 79.79 |
| Barnwell | 16100 | 74.62 |
| Hampton | 15165 | 76.57 |
| Saluda | 14430 | 71.08 |
| Lee | 13955 | 79.27 |
| Calhoun | 11660 | 79.24 |
| Bamberg | 11515 | 78.87 |
| McCormick | 8370 | 87.14 |
| Allendale | 7385 | 80.14 |
