Ranking of South Carolina Counties By Total Voting-age Population (18yrs and over) from Census 2020
Updated on August 22, 2023.
According to the data from the US 2020 Census, as at April 2020, among all the counties in South Carolina, Greenville County had the highest voting-age population (18 years and over) (406.24K), followed by Charleston County (327.90K), and Richland County (327.48K).
The chart below shows the top 10 counties with high voting-age population, and the table below shows the ranking of all South Carolina counties based on voting-age population.
You can also see the ranking of counties by population for other states as well as for the whole United States.
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Related Topics: South Carolina Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of South Carolina Counties By Total Voting-age Population from Census 2020
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| Rank | County | Voting-age Population |
|---|---|---|
| 1 | Greenville County | 406243 |
| 2 | Charleston County | 327897 |
| 3 | Richland County | 327481 |
| 4 | Horry County | 290082 |
| 5 | Spartanburg County | 252012 |
| 6 | Lexington County | 225405 |
| 7 | York County | 213111 |
| 8 | Berkeley County | 173949 |
| 9 | Anderson County | 157974 |
| 10 | Beaufort County | 151768 |
| 11 | Aiken County | 132926 |
| 12 | Dorchester County | 121251 |
| 13 | Pickens County | 107066 |
| 14 | Florence County | 105699 |
| 15 | Sumter County | 81402 |
| 16 | Lancaster County | 74608 |
| 17 | Orangeburg County | 66567 |
| 18 | Oconee County | 63579 |
| 19 | Greenwood County | 54259 |
| 20 | Laurens County | 52791 |
| 21 | Georgetown County | 52140 |
| 22 | Kershaw County | 50464 |
| 23 | Darlington County | 49141 |
| 24 | Cherokee County | 43551 |
| 25 | Chesterfield County | 33697 |
| 26 | Colleton County | 30438 |
| 27 | Newberry County | 29709 |
| 28 | Chester County | 25144 |
| 29 | Clarendon County | 25049 |
| 30 | Williamsburg County | 24930 |
| 31 | Jasper County | 23102 |
| 32 | Marion County | 22841 |
| 33 | Marlboro County | 21584 |
| 34 | Dillon County | 21491 |
| 35 | Union County | 21422 |
| 36 | Edgefield County | 20775 |
| 37 | Abbeville County | 19369 |
| 38 | Fairfield County | 17307 |
| 39 | Barnwell County | 15964 |
| 40 | Saluda County | 14736 |
| 41 | Hampton County | 14708 |
| 42 | Lee County | 13586 |
| 43 | Calhoun County | 11423 |
| 44 | Bamberg County | 10690 |
| 45 | McCormick County | 8442 |
| 46 | Allendale County | 6687 |