South Carolina Counties by Population

The most populated counties in South Carolina are Greenville County with 558,036, Richland County at 425,138, Charleston County with 424,367, Horry County at 397,478, and Spartanburg County with 356,698. You can get the most current Census population data for all 46 South Carolina counties, sorted from the most populous counties in South Carolina to the least, according to the 2023 Population Estimates Program.

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Rank County Population
1 Greenville County 558,036
2 Richland County 425,138
3 Charleston County 424,367
4 Horry County 397,478
5 Spartanburg County 356,698
6 Lexington County 309,528
7 York County 298,320
8 Berkeley County 255,217
9 Anderson County 213,076
10 Beaufort County 198,979
11 Aiken County 177,130
12 Dorchester County 169,833
13 Florence County 137,214
14 Pickens County 135,495
15 Lancaster County 108,215
16 Sumter County 104,165
17 Orangeburg County 82,820
18 Oconee County 81,221
19 Kershaw County 69,905
20 Greenwood County 69,460
21 Laurens County 68,873
22 Georgetown County 65,731
23 Darlington County 62,416
24 Cherokee County 56,714
25 Chesterfield County 44,031
26 Colleton County 38,874
27 Newberry County 38,825
28 Jasper County 33,544
29 Chester County 32,226
30 Clarendon County 31,004
31 Williamsburg County 29,891
32 Marion County 28,508
33 Dillon County 27,698
34 Edgefield County 27,607
35 Union County 26,629
36 Marlboro County 25,704
37 Abbeville County 24,434
38 Barnwell County 20,447
39 Fairfield County 20,422
40 Saluda County 19,123
41 Hampton County 18,122
42 Lee County 15,967
43 Calhoun County 14,186
44 Bamberg County 12,974
45 McCormick County 9,941
46 Allendale County 7,369

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2023. U.S. Census Bureau, Population Division. Web. May 2024. http://www.census.gov/.

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