South Carolina Citizen Voting-age Population By County in 2020 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the citizen voting-age population for South Carolina was 3,849,680 and represented 75.61% of the total South Carolina population.
Among all South Carolina counties, Greenville had the highest citizen voting-age population (374.01K), followed by Charleston (315.64K), and Richland (314.27K).
In terms of percentages, McCormick had the highest percentage of its population being citizens of voting-age (87.68%), followed by Fairfield (80.65%), and Georgetown (80.36%).
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 | 374005 | 72.46 |
| Charleston | 315640 | 77.45 |
| Richland | 314265 | 75.79 |
| Horry | 270875 | 78.70 |
| Spartanburg | 230890 | 73.58 |
| Lexington | 218545 | 74.07 |
| York | 199415 | 72.81 |
| Berkeley | 163865 | 73.78 |
| Anderson | 151560 | 75.71 |
| Beaufort | 146680 | 77.31 |
| Aiken | 129540 | 76.22 |
| Dorchester | 117660 | 72.94 |
| Florence | 103655 | 74.99 |
| Pickens | 99210 | 79.13 |
| Sumter | 79940 | 74.94 |
| Lancaster | 72095 | 75.59 |
| Orangeburg | 67380 | 77.49 |
| Oconee | 61500 | 78.53 |
| Greenwood | 53020 | 75.03 |
| Darlington | 51430 | 76.92 |
| Laurens | 51220 | 76.46 |
| Kershaw | 49970 | 75.80 |
| Georgetown | 49945 | 80.36 |
| Cherokee | 43035 | 75.36 |
| Chesterfield | 34910 | 76.17 |
| Colleton | 28695 | 76.27 |
| Newberry | 28625 | 74.68 |
| Clarendon | 26935 | 79.54 |
| Chester | 24900 | 77.19 |
| Williamsburg | 24045 | 78.04 |
| Marion | 23515 | 75.97 |
| Dillon | 22665 | 74.37 |
| Jasper | 21590 | 73.04 |
| Union | 21395 | 78.30 |
| Edgefield | 21375 | 79.11 |
| Marlboro | 20840 | 79.01 |
| Abbeville | 19445 | 79.11 |
| Fairfield | 18070 | 80.65 |
| Barnwell | 15935 | 75.27 |
| Saluda | 14770 | 72.79 |
| Hampton | 14765 | 76.80 |
| Lee | 13740 | 80.14 |
| Calhoun | 11665 | 79.84 |
| Bamberg | 11160 | 78.40 |
| McCormick | 8325 | 87.68 |
| Allendale | 6980 | 79.41 |