South Carolina Counties by Population (2026)

by Kristen Carney

Updated: February 9, 2026

The most populous counties in South Carolina are Greenville County with 548,166, Richland County at 422,117, Charleston County with 420,264, Horry County at 383,016, and Spartanburg County with 347,852. 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 2024 American Community Survey.

Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest South Carolina counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!

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RankCountyPopulation
1Greenville County548,166
2Richland County422,117
3Charleston County420,264
4Horry County383,016
5Spartanburg County347,852
6Lexington County304,887
7York County293,673
8Berkeley County246,802
9Anderson County210,478
10Beaufort County195,289
11Aiken County174,160
12Dorchester County167,201
13Florence County137,117
14Pickens County134,629
15Sumter County104,725
16Lancaster County104,475
17Orangeburg County83,253
18Oconee County80,469
19Greenwood County69,489
20Laurens County68,666
21Kershaw County68,314
22Georgetown County64,811
23Darlington County62,558
24Cherokee County56,647
25Chesterfield County43,784
26Colleton County38,783
27Newberry County38,435
28Chester County32,182
29Jasper County32,166
30Clarendon County30,986
31Williamsburg County30,282
32Marion County28,664
33Dillon County27,862
34Edgefield County27,476
35Union County26,885
36Marlboro County25,975
37Abbeville County24,420
38Fairfield County20,550
39Barnwell County20,521
40Saluda County19,131
41Hampton County18,254
42Lee County16,166
43Calhoun County14,182
44Bamberg County13,042
45McCormick County9,760
46Allendale County7,661

United States Census Bureau. B01001 SEX BY AGE, 2024 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. January 29, 2026. http://www.census.gov/.

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