South Carolina Citizen Population By County in 2024 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2024, the citizen population for South Carolina was 5,128,239 and represented 96.83% of the total South Carolina population.

Among all South Carolina counties, Greenville had the highest citizen population (521.85K), followed by Richland (408.79K), and Charleston (403.88K).

In terms of percentages, Calhoun had the highest percentage of its population being citizens (99.97%), followed by McCormick (99.89%), and Fairfield (99.88%).

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 2024

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

See this for other years:

South Carolina Citizen Population By County in 2024

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County	Citizen Population	% of County Population
Greenville	521854	95.20
Richland	408793	96.84
Charleston	403877	96.10
Horry	370286	96.68
Spartanburg	332240	95.51
Lexington	293673	96.32
York	282886	96.33
Berkeley	237693	96.31
Anderson	206215	97.98
Beaufort	185997	95.24
Aiken	171348	98.38
Dorchester	163087	97.54
Florence	134822	98.33
Pickens	131465	97.65
Sumter	103387	98.72
Lancaster	100730	96.42
Orangeburg	82373	98.95
Oconee	78471	97.52
Greenwood	67903	97.72
Kershaw	67292	98.50
Laurens	66763	97.23
Georgetown	64138	98.96
Darlington	61966	99.06
Cherokee	55475	97.93
Chesterfield	42765	97.67
Colleton	37659	97.09
Newberry	37092	96.50
Chester	31929	99.22
Clarendon	30670	98.98
Williamsburg	29752	98.25
Jasper	29688	92.29
Marion	28340	98.87
Dillon	27562	98.93
Edgefield	26596	96.79
Union	26585	98.88
Marlboro	25643	98.72
Abbeville	24286	99.45
Fairfield	20529	99.88
Barnwell	20193	98.39
Saluda	18024	94.20
Hampton	17907	98.10
Lee	15811	97.81
Calhoun	14175	99.97
Bamberg	12946	99.27
McCormick	9751	99.89
Allendale	7621	99.47