South Carolina Population By County in 2021

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2021, the population of South Carolina was 5,193,266. Among all South Carolina counties, Greenville[object Promise] had the highest population (534,521), followed by Richland[object Promise] (417,132), and Charleston[object Promise] (414,403). Allendale[object Promise] was the least populated county (7,870).

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 2021
South Carolina Population By County in 2021
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County Population % of State Population
Abbeville 24258 0.47
Aiken 171263 3.30
Allendale 7870 0.15
Anderson 206852 3.98
Bamberg 13112 0.25
Barnwell 20580 0.40
Beaufort 192007 3.70
Berkeley 236871 4.56
Calhoun 14134 0.27
Charleston 414403 7.98
Cherokee 56025 1.08
Chester 32097 0.62
Chesterfield 43337 0.83
Clarendon 30950 0.60
Colleton 38427 0.74
Darlington 62708 1.21
Dillon 27981 0.54
Dorchester 163508 3.15
Edgefield 26285 0.51
Fairfield 20698 0.40
Florence 136439 2.63
Georgetown 63991 1.23
Greenville 534521 10.29
Greenwood 69148 1.33
Hampton 18236 0.35
Horry 366011 7.05
Jasper 30456 0.59
Kershaw 66121 1.27
Lancaster 100522 1.94
Laurens 67817 1.31
Lee 16266 0.31
Lexington 300482 5.79
McCormick 9782 0.19
Marion 28839 0.56
Marlboro 26265 0.51
Newberry 37957 0.73
Oconee 79322 1.53
Orangeburg 82798 1.59
Pickens 132079 2.54
Richland 417132 8.03
Saluda 18821 0.36
Spartanburg 335406 6.46
Sumter 104856 2.02
Union 26994 0.52
Williamsburg 30384 0.59
York 289255 5.57