South Carolina Citizen Population By County in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen population for South Carolina was 4,636,155 and represented 97.04% of the total South Carolina population.

Among all South Carolina counties, Greenville had the highest citizen population (450.79K), followed by Richland (385.65K), and Charleston (362.24K).

In terms of percentages, Lee had the highest percentage of its population being citizens (99.92%), followed by McCormick (99.80%), and Chester (99.72%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

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

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South Carolina Citizen Population By County in 2015
South Carolina Citizen Population By County in 2015
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County Citizen Population % of County Population
Greenville 450785 94.92
Richland 385650 96.92
Charleston 362235 97.14
Spartanburg 280305 96.25
Horry 278945 95.95
Lexington 264630 96.64
York 233965 97.46
Anderson 188485 98.57
Berkeley 187620 96.90
Beaufort 160525 93.64
Aiken 160060 97.65
Dorchester 142490 97.79
Florence 136435 98.63
Pickens 116825 97.25
Sumter 105425 97.82
Orangeburg 89520 98.84
Lancaster 79705 98.08
Oconee 73375 97.90
Greenwood 67870 97.28
Darlington 67055 98.73
Laurens 65125 98.10
Kershaw 61865 98.64
Georgetown 59730 98.61
Cherokee 55145 98.71
Chesterfield 45315 98.11
Colleton 37410 98.43
Newberry 36225 96.11
Clarendon 33785 98.84
Williamsburg 33030 99.37
Chester 32465 99.72
Marion 31695 98.54
Dillon 30775 97.90
Union 27995 99.54
Marlboro 27510 98.27
Edgefield 25535 96.49
Abbeville 24790 99.18
Jasper 24615 92.71
Fairfield 22710 98.27
Barnwell 21915 99.16
Hampton 20185 98.58
Lee 18445 99.92
Saluda 18305 91.53
Bamberg 15320 99.29
Calhoun 14705 98.30
McCormick 9875 99.80
Allendale 9785 99.44