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Population per Square Mile in South Carolina, by County

Population per Square Mile for every county in South Carolina, ranked. The highest is Greenville County at 697.5 and the lowest is Allendale County at 18.8.

South Carolina: 176.2 · United States: n/a · median county in South Carolina: 75.2

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#County Population per Square Mile
1Greenville County697.5
2Richland County557.4
3Charleston County457.7
4Lexington County436.4
5York County431.5
6Spartanburg County430.3
7Beaufort County339.0
8Horry County338.0
9Anderson County294.8
10Dorchester County294.2
11Pickens County270.9
12Berkeley County223.6
13Lancaster County190.2
14Florence County171.3
15Aiken County162.7
16Sumter County157.5
17Greenwood County152.5
18Cherokee County144.2
19Oconee County128.4
20Darlington County111.6
21Laurens County96.3
22Kershaw County94.0
23Georgetown County79.7
24Orangeburg County75.2
25Dillon County68.8
26Newberry County61.0
27Marion County58.6
28Chester County55.4
29Edgefield County54.9
30Chesterfield County54.8
31Marlboro County54.1
32Union County52.3
33Clarendon County51.0
34Abbeville County49.7
35Jasper County49.1
36Saluda County42.2
37Lee County39.4
38Barnwell County37.4
39Calhoun County37.2
40Colleton County36.7
41Bamberg County33.2
42Hampton County32.6
43Williamsburg County32.4
44Fairfield County29.9
45McCormick County27.2
46Allendale County18.8

People divided by land area. Water is excluded, so lake and coastal counties are not unfairly diluted.

Source: ACS 2020-2024 5-Year Estimates, 2024.

South Carolina ranks 21st of 52 states for population per square mile.

Population per Square Mile in other states

Other statistics for South Carolina by county