South Carolina Citizen Voting-age Population By County in 2021 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen voting-age population for South Carolina was 3,836,605 and represented 75.54% of the total South Carolina population.
Among all South Carolina counties, Greenville had the highest citizen voting-age population (375.63K), followed by Richland (314.14K), and Charleston (313.27K).
In terms of percentages, McCormick had the highest percentage of its population being citizens of voting-age (87.95%), followed by Fairfield (80.91%), and Georgetown (80.33%).
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 | 375630 | 72.35 |
| Richland | 314140 | 75.75 |
| Charleston | 313275 | 77.36 |
| Horry | 272265 | 78.95 |
| Spartanburg | 236945 | 73.39 |
| Lexington | 216320 | 74.15 |
| York | 201530 | 72.87 |
| Berkeley | 165780 | 73.74 |
| Anderson | 152520 | 75.42 |
| Beaufort | 144255 | 77.55 |
| Aiken | 128250 | 76.32 |
| Dorchester | 116260 | 72.58 |
| Florence | 102680 | 74.80 |
| Pickens | 102205 | 78.85 |
| Sumter | 78855 | 74.72 |
| Lancaster | 71785 | 75.84 |
| Orangeburg | 65800 | 77.49 |
| Oconee | 61140 | 78.46 |
| Greenwood | 52105 | 75.14 |
| Laurens | 51000 | 75.95 |
| Georgetown | 50600 | 80.33 |
| Darlington | 48905 | 77.10 |
| Kershaw | 48680 | 74.90 |
| Cherokee | 42435 | 75.50 |
| Chesterfield | 33235 | 76.13 |
| Colleton | 29325 | 76.13 |
| Newberry | 28225 | 74.59 |
| Clarendon | 25080 | 79.33 |
| Chester | 24830 | 76.93 |
| Williamsburg | 24295 | 77.67 |
| Marion | 22560 | 76.26 |
| Union | 21295 | 77.99 |
| Marlboro | 21205 | 78.80 |
| Dillon | 21070 | 73.86 |
| Jasper | 20840 | 73.47 |
| Edgefield | 20480 | 78.95 |
| Abbeville | 19270 | 79.06 |
| Fairfield | 17140 | 80.91 |
| Barnwell | 15685 | 75.41 |
| Hampton | 14655 | 76.23 |
| Saluda | 13850 | 72.86 |
| Lee | 13325 | 79.65 |
| Calhoun | 11360 | 80.00 |
| Bamberg | 10525 | 77.82 |
| McCormick | 8430 | 87.95 |
| Allendale | 6555 | 78.93 |