South Carolina Population By County in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the population of South Carolina was 5,132,151. Among all South Carolina counties, Greenville had the highest population (527,249), followed by Richland (415,671), and Charleston (409,899). Allendale was the least populated county (7,934).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.

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South Carolina Population By County in 2020
South Carolina Population By County in 2020
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County Population % of State Population
Abbeville 24266 0.47
Aiken 169168 3.30
Allendale 7934 0.16
Anderson 204195 3.98
Bamberg 13260 0.26
Barnwell 20586 0.40
Beaufort 187815 3.66
Berkeley 231533 4.51
Calhoun 14114 0.28
Charleston 409899 7.99
Cherokee 56220 1.10
Chester 32284 0.63
Chesterfield 43256 0.84
Clarendon 30841 0.60
Colleton 38537 0.75
Darlington 62848 1.23
Dillon 28277 0.55
Dorchester 162043 3.16
Edgefield 25671 0.50
Fairfield 20887 0.41
Florence 136817 2.67
Georgetown 63509 1.24
Greenville 527249 10.27
Greenwood 69390 1.35
Hampton 18515 0.36
Horry 353765 6.89
Jasper 29150 0.57
Kershaw 65590 1.28
Lancaster 96588 1.88
Laurens 67634 1.32
Lee 16539 0.32
Lexington 295047 5.75
McCormick 9518 0.19
Marion 29086 0.57
Marlboro 26490 0.52
Newberry 37731 0.74
Oconee 78784 1.54
Orangeburg 83954 1.64
Pickens 131684 2.57
Richland 415671 8.10
Saluda 18828 0.37
Spartanburg 329379 6.42
Sumter 105476 2.06
Union 27181 0.53
Williamsburg 30914 0.60
York 284028 5.53