Ranking of South Carolina Counties By Population in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the Population for South Carolina was 5.13M. Among all South Carolina counties, Greenville County had the highest population (527.25K), followed by Richland County (415.67K), and Charleston County (409.90K).

The chart below shows the top 10 counties, and the table below shows the ranking of all South Carolina counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

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Ranking of South Carolina Counties By Population in 2020
Greenville
527.25K
Richland
415.67K
Charleston
409.90K
Horry
353.77K
Spartanburg
329.38K
Lexington
295.05K
York
284.03K
Berkeley
231.53K
Anderson
204.20K
Beaufort
187.82K
Ranking of South Carolina Counties By Population in 2020
Rank
County
Population
1 Greenville County 527,249
2 Richland County 415,671
3 Charleston County 409,899
4 Horry County 353,765
5 Spartanburg County 329,379
6 Lexington County 295,047
7 York County 284,028
8 Berkeley County 231,533
9 Anderson County 204,195
10 Beaufort County 187,815
11 Aiken County 169,168
12 Dorchester County 162,043
13 Florence County 136,817
14 Pickens County 131,684
15 Sumter County 105,476
16 Lancaster County 96,588
17 Orangeburg County 83,954
18 Oconee County 78,784
19 Greenwood County 69,390
20 Laurens County 67,634
21 Kershaw County 65,590
22 Georgetown County 63,509
23 Darlington County 62,848
24 Cherokee County 56,220
25 Chesterfield County 43,256
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