# Counties in South Carolina by population, 2025

All 46 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population`
- Unit: persons
- Definition: Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.
- Source: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program) (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Retrieved: 2026-10-08
- Citation: U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.
- Web page: https://invokely.ai/rankings/population/south-carolina-counties
- CSV: https://invokely.ai/download/rankings/population/south-carolina-counties.csv

| Rank | Place | persons |
|---:|---|---:|
| 1 | Greenville County | 583,125 |
| 2 | Charleston County | 436,200 |
| 3 | Richland County | 434,956 |
| 4 | Horry County | 427,551 |
| 5 | Spartanburg County | 380,857 |
| 6 | Lexington County | 317,588 |
| 7 | York County | 306,887 |
| 8 | Berkeley County | 274,666 |
| 9 | Anderson County | 219,930 |
| 10 | Beaufort County | 204,433 |
| 11 | Aiken County | 181,515 |
| 12 | Dorchester County | 178,397 |
| 13 | Pickens County | 139,198 |
| 14 | Florence County | 138,504 |
| 15 | Lancaster County | 114,296 |
| 16 | Sumter County | 105,067 |
| 17 | Oconee County | 83,775 |
| 18 | Orangeburg County | 83,177 |
| 19 | Kershaw County | 73,166 |
| 20 | Laurens County | 71,848 |
| 21 | Greenwood County | 70,379 |
| 22 | Georgetown County | 65,912 |
| 23 | Darlington County | 62,888 |
| 24 | Cherokee County | 58,275 |
| 25 | Chesterfield County | 44,740 |
| 26 | Newberry County | 39,561 |
| 27 | Colleton County | 39,382 |
| 28 | Jasper County | 38,533 |
| 29 | Chester County | 33,001 |
| 30 | Clarendon County | 31,043 |
| 31 | Edgefield County | 29,808 |
| 32 | Williamsburg County | 29,662 |
| 33 | Marion County | 28,242 |
| 34 | Dillon County | 27,458 |
| 35 | Union County | 26,799 |
| 36 | Marlboro County | 25,488 |
| 37 | Abbeville County | 24,836 |
| 38 | Barnwell County | 20,653 |
| 39 | Fairfield County | 20,340 |
| 40 | Saluda County | 19,680 |
| 41 | Hampton County | 18,174 |
| 42 | Lee County | 15,730 |
| 43 | Calhoun County | 14,188 |
| 44 | Bamberg County | 12,796 |
| 45 | McCormick County | 10,215 |
| 46 | Allendale County | 7,355 |