Clarendon County Demographics

A map of Clarendon County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	15,264	15,309	49.3%	49.2%
Black	13,670	13,821	44.1%	44.4%
Hispanic	1,005	907	3.2%	2.9%
Multiracial	708	681	2.3%	2.2%
Asian	260	225	0.8%	0.7%
Native American/Other	79	201	0.3%	0.6%

Clarendon County, South Carolina has an estimated population of 30,986, a less than 1% change from the 31,144 recorded in the 2020 Census. The population is 49.3% White, 44.1% Black, 3.2% Hispanic, 2.3% Multiracial, 0.8% Asian, and 0.3% Native American/Other. This demographic dot map shows the population of Clarendon County, with one dot drawn for each person counted by the Census, color-coded by race.

Clarendon is about as racially diverse as it was in the 2020 Census. It is more diverse than South Carolina overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Clarendon County, that probability was 56.0% in 2020 and 56.1% in the most recent ACS estimates.

Clarendon County is ranked the 30th most populous county in South Carolina, out of 46 counties. Clarendon County was ranked the 29th most populous county in the 2020 Census.

Clarendon County's White Population

15,264 residents of Clarendon County, or 49.3% of the population, identify as White. The share of White residents in Clarendon County is considerably lower than in South Carolina overall, where 61.9% of the population is White. Clarendon County ranks 33rd statewide in terms of White residents as a share of the population, out of 46 counties.

Since the 2020 Census, Clarendon County's White population has remained roughly the same. White residents' share of Clarendon County's population has remained roughly unchanged at 49.3%.

Clarendon County is more White than neighboring Sumter County (43.6% White), Williamsburg County (32.2% White), and Lee County (33.2% White). Clarendon County is less White than neighboring Berkeley County (60.1% White), and Calhoun County (54.9% White).

Clarendon County's Black Population

13,670 residents of Clarendon County, or 44.1% of the population, identify as Black. The share of Black residents in Clarendon County is significantly higher than in South Carolina overall, where 24.6% of the population is Black. Clarendon County ranks 13th statewide in terms of Black residents as a share of the population, out of 46 counties.

Since the 2020 Census, Clarendon County's Black population has declined by an estimated 1.1%. Black residents' share of Clarendon County's population has remained roughly unchanged at 44.1%.

Clarendon County is more Black than neighboring Berkeley County (22.7% Black), and Calhoun County (39% Black). Clarendon County is less Black than neighboring Sumter County (45.8% Black), Williamsburg County (63.1% Black), and Lee County (62.2% Black).

Clarendon County's Asian Population

260 residents of Clarendon County, or 0.8% of the population, identify as Asian. The share of Asian residents in Clarendon County is comparable to the share in South Carolina overall, where 1.7% of the population is Asian. Clarendon County ranks 21st statewide in terms of Asian residents as a share of the population, out of 46 counties.

Since the 2020 Census, Clarendon County's Asian population has grown by an estimated 15.6%. Asian residents' share of Clarendon County's population has remained roughly unchanged at 0.8%.

Clarendon County is more Asian than neighboring Lee County (0.2% Asian), and Calhoun County (0.2% Asian). Clarendon County is less Asian than neighboring Sumter County (1.4% Asian), and Berkeley County (2.5% Asian).

Clarendon County's Hispanic Population

1,005 residents of Clarendon County, or 3.2% of the population, identify as Hispanic. The share of Hispanic residents in Clarendon County is slightly lower than in South Carolina overall, where 7.4% of the population is Hispanic. Clarendon County ranks 32nd statewide in terms of Hispanic residents as a share of the population, out of 46 counties.

Since the 2020 Census, Clarendon County's Hispanic population has grown by an estimated 10.8%. Hispanic residents' share of Clarendon County's population has remained roughly unchanged at 3.2%.

Clarendon County is more Hispanic than neighboring Williamsburg County (2.5% Hispanic), and Lee County (2.4% Hispanic). Clarendon County is less Hispanic than neighboring Sumter County (4.4% Hispanic), Berkeley County (9.2% Hispanic), and Calhoun County (3.9% Hispanic).

Clarendon County's Native American/Other Population

79 residents of Clarendon County, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Clarendon County is comparable to the share in South Carolina overall, where 0.7% of the population is Native American/Other. Clarendon County ranks 23rd statewide in terms of Native American/Other residents as a share of the population, out of 46 counties.

Since the 2020 Census, Clarendon County's Native American/Other population has declined by an estimated 60.7%. Native American/Other residents' share of Clarendon County's population has remained roughly unchanged at 0.3%.

Clarendon County is more Native American/Other than neighboring Lee County (0.2% Native American/Other), and Calhoun County (0% Native American/Other). Clarendon County is less Native American/Other than neighboring Sumter County (0.9% Native American/Other), Williamsburg County (0.5% Native American/Other), and Berkeley County (0.9% Native American/Other).

Clarendon County's Multiracial Population

708 residents of Clarendon County, or 2.3% of the population, identify as Multiracial. The share of Multiracial residents in Clarendon County is comparable to the share in South Carolina overall, where 3.7% of the population is Multiracial. Clarendon County ranks 42nd statewide in terms of Multiracial residents as a share of the population, out of 46 counties.

Since the 2020 Census, Clarendon County's Multiracial population has grown by an estimated 4.0%. Multiracial residents' share of Clarendon County's population has remained roughly unchanged at 2.3%.

Clarendon County is more Multiracial than neighboring Williamsburg County (0.9% Multiracial), Lee County (1.8% Multiracial), and Calhoun County (2% Multiracial). Clarendon County is less Multiracial than neighboring Sumter County (3.8% Multiracial), and Berkeley County (4.6% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.