Ranking of South Carolina Counties By Total Voting-age Population (18yrs and over) from Census 2020

Updated on August 22, 2023.

According to the data from the US 2020 Census, as at April 2020, among all the counties in South Carolina, Greenville County had the highest voting-age population (18 years and over) (406.24K), followed by Charleston County (327.90K), and Richland County (327.48K).

The chart below shows the top 10 counties with high voting-age population, and the table below shows the ranking of all South Carolina counties based on voting-age population.

You can also see the ranking of counties by population for other states as well as for the whole United States.

Ranking of South Carolina Counties By Total Voting-age Population from Census 2020
Greenville
406.24K
Charleston
327.90K
Richland
327.48K
Horry
290.08K
Spartanburg
252.01K
Lexington
225.41K
York
213.11K
Berkeley
173.95K
Anderson
157.97K
Beaufort
151.77K
Ranking of South Carolina Counties By Total Voting-age Population from Census 2020
Rank
County
Voting-age Population
1 Greenville County 406,243
2 Charleston County 327,897
3 Richland County 327,481
4 Horry County 290,082
5 Spartanburg County 252,012
6 Lexington County 225,405
7 York County 213,111
8 Berkeley County 173,949
9 Anderson County 157,974
10 Beaufort County 151,768
11 Aiken County 132,926
12 Dorchester County 121,251
13 Pickens County 107,066
14 Florence County 105,699
15 Sumter County 81,402
16 Lancaster County 74,608
17 Orangeburg County 66,567
18 Oconee County 63,579
19 Greenwood County 54,259
20 Laurens County 52,791
21 Georgetown County 52,140
22 Kershaw County 50,464
23 Darlington County 49,141
24 Cherokee County 43,551
25 Chesterfield County 33,697
Items per page:
1 – 25 of 46