South Carolina Citizen Population By County in 2012 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2012, the citizen population for South Carolina was 4,480,730 and represented 96.77% of the total South Carolina population.

Among all South Carolina counties, Greenville had the highest citizen population (427.67K), followed by Richland (372.04K), and Charleston (340.17K).

In terms of percentages, McCormick had the highest percentage of its population being citizens (99.66%), followed by Union (99.64%), and Chester (99.62%).

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.

You may also be interested in:
South Carolina Citizen Voting-age Population By County in 2012

Data Source: US Census - ACS 5-Year (CVAP).

See this for other years:

South Carolina Citizen Population By County in 2012

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County	Citizen Population	% of County Population
Greenville	427665	94.42
Richland	372040	96.74
Charleston	340170	96.49
Spartanburg	273265	96.04
Horry	258275	95.32
Lexington	253260	96.51
York	220135	97.16
Anderson	184445	98.51
Berkeley	173490	96.50
Aiken	156560	97.75
Beaufort	150055	92.45
Florence	134520	98.39
Dorchester	133340	97.45
Pickens	115975	97.32
Sumter	104830	97.72
Orangeburg	91050	98.72
Lancaster	75065	98.30
Oconee	72515	97.94
Darlington	67635	98.74
Greenwood	67275	96.76
Laurens	65390	98.15
Kershaw	60275	97.87
Georgetown	59100	98.03
Cherokee	54430	98.34
Chesterfield	45605	98.16
Colleton	37895	98.01
Newberry	35640	95.22
Clarendon	34375	98.94
Williamsburg	34050	99.10
Chester	32905	99.62
Marion	32520	98.43
Dillon	31200	98.31
Union	28700	99.64
Marlboro	28360	98.64
Edgefield	25840	96.54
Abbeville	25140	99.04
Fairfield	23680	99.48
Jasper	22715	91.63
Barnwell	22375	99.33
Hampton	20655	98.43
Lee	18840	98.33
Saluda	18250	92.36
Bamberg	15840	99.37
Calhoun	14955	98.81
Allendale	10325	99.28
McCormick	10105	99.66