South Carolina Counties by Population

The most populated counties in South Carolina are Greenville County with 528,251, Richland County at 416,161, Charleston County with 409,840, Horry County at 356,578, and Spartanburg County with 330,119. 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 2022 American Community Survey.

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Rank County Population
1 Greenville County 528,251
2 Richland County 416,161
3 Charleston County 409,840
4 Horry County 356,578
5 Spartanburg County 330,119
6 Lexington County 295,934
7 York County 282,987
8 Berkeley County 231,419
9 Anderson County 204,592
10 Beaufort County 189,071
11 Aiken County 169,865
12 Dorchester County 162,139
13 Florence County 137,015
14 Pickens County 131,106
15 Sumter County 105,199
16 Lancaster County 97,611
17 Orangeburg County 84,159
18 Oconee County 78,775
19 Greenwood County 69,309
20 Laurens County 67,456
21 Kershaw County 65,779
22 Georgetown County 63,594
23 Darlington County 63,025
24 Cherokee County 56,200
25 Chesterfield County 43,536
26 Colleton County 38,561
27 Newberry County 37,918
28 Chester County 32,171
29 Clarendon County 31,163
30 Williamsburg County 30,879
31 Jasper County 29,444
32 Marion County 29,212
33 Dillon County 28,255
34 Union County 27,158
35 Marlboro County 26,585
36 Edgefield County 26,181
37 Abbeville County 24,368
38 Fairfield County 20,942
39 Barnwell County 20,653
40 Saluda County 18,952
41 Hampton County 18,890
42 Lee County 16,557
43 Calhoun County 14,145
44 Bamberg County 13,311
45 McCormick County 9,612
46 Allendale County 8,073

United States Census Bureau. B01001 SEX BY AGE, 2022 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 7 December 2023. http://www.census.gov/.

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