South Carolina Population By County in 2018
Updated on January 27, 2024.
According to the US Census Bureau population estimates, there were 5,091,702 people living in South Carolina in 2018. Greenville[object Promise] County was the most populated county with 515,572 residents, followed by Richland[object Promise] County with 415,159 residents, and Charleston[object Promise] County with 406,959 residents. Allendale[object Promise] County with a population of 8,906 was the least populated county in South Carolina in 2018.
Use the map below to interactively explore the population for each county in South Carolina in 2018. The data can also be explored further by sorting and filtering with the table below.
You can see similar information for other states and by state for the United States.
Related Topics: South Carolina Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
South Carolina Population By County (2018)
Table of South Carolina Population By County in 2018
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| County | Population | % of State Population |
|---|---|---|
| Abbeville | 24,637 | 0.48% |
| Aiken | 169,703 | 3.33% |
| Allendale | 8,906 | 0.18% |
| Anderson | 200,209 | 3.93% |
| Bamberg | 14,288 | 0.28% |
| Barnwell | 21,150 | 0.42% |
| Beaufort | 189,563 | 3.72% |
| Berkeley | 221,841 | 4.36% |
| Calhoun | 14,530 | 0.28% |
| Charleston | 406,959 | 7.99% |
| Cherokee | 57,198 | 1.12% |
| Chester | 32,281 | 0.63% |
| Chesterfield | 45,807 | 0.90% |
| Clarendon | 33,772 | 0.66% |
| Colleton | 37,731 | 0.74% |
| Darlington | 66,793 | 1.31% |
| Dillon | 30,509 | 0.60% |
| Dorchester | 161,340 | 3.17% |
| Edgefield | 27,151 | 0.53% |
| Fairfield | 22,392 | 0.44% |
| Florence | 138,294 | 2.72% |
| Georgetown | 62,462 | 1.23% |
| Greenville | 515,572 | 10.13% |
| Greenwood | 70,633 | 1.39% |
| Hampton | 19,416 | 0.38% |
| Horry | 344,680 | 6.77% |
| Jasper | 29,228 | 0.57% |
| Kershaw | 65,856 | 1.29% |
| Lancaster | 95,213 | 1.87% |
| Laurens | 66,855 | 1.31% |
| Lee | 17,269 | 0.34% |
| Lexington | 294,766 | 5.79% |
| McCormick | 9,417 | 0.19% |
| Marion | 30,989 | 0.61% |
| Marlboro | 26,413 | 0.52% |
| Newberry | 38,460 | 0.76% |
| Oconee | 78,215 | 1.54% |
| Orangeburg | 87,106 | 1.71% |
| Pickens | 125,176 | 2.46% |
| Richland | 415,159 | 8.15% |
| Saluda | 20,333 | 0.40% |
| Spartanburg | 314,490 | 6.18% |
| Sumter | 106,518 | 2.09% |
| Union | 27,327 | 0.54% |
| Williamsburg | 30,907 | 0.61% |
| York | 274,188 | 5.39% |