Demographics of Clarendon County, South Carolina

Clarendon County, South Carolina had 31,043 people on July 1, 2025, by the Census Bureau’s estimate: +211 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Clarendon County, in four figures

31,043
Population: July 1, 2025, Vintage 2025 estimate.; +0.7%
Change since July 2020: +211 people.; 45.9 ±0.4
Median age: ACS 2020–⁠2024.; $52,401 ±$3,951
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Clarendon County, South Carolina's population grew 0.7% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Clarendon County, South Carolina's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Clarendon County, South Carolina's population grew 0.7% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Clarendon County, South Carolina's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	30,832	100.0	100.0
2021	30,967	100.4	100.2
2022	30,965	100.4	100.7
2023	31,106	100.9	101.6
2024	31,053	100.7	102.5
2025	31,043	100.7	103.1

3 more columns on a wider screen

Population of Clarendon County, South Carolina on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	30,832	−313	−84	0	−192
2021	30,967	+135	−272	+7	+416
2022	30,965	−2	−242	+20	+225
2023	31,106	+141	−196	+30	+299
2024	31,053	−53	−147	+18	+78
2025	31,043	−10	−153	−6	+148

Age, 2020–2024

The median age is 45.9 ±0.4: for men 43.2 ±0.7 and for women 49.6 ±0.8. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

2 more columns on a wider screen

People in Clarendon County by age, ACS 2020–2024
Age	People	Share	South Carolina	United States
Under 5	1,394 ±45	4.5% ±0.1	5.5% ±<0.1	5.6% ±<0.1
5 to 17	4,248 ±250	13.7% ±0.8	16.0% ±0.1	16.3% ±<0.1
18 to 24	2,600 ±343	8.4% ±1.1	9.1% ±0.1	9.1% ±<0.1
25 to 44	6,857 ±283	22.1% ±0.9	25.3% ±0.1	26.9% ±<0.1
45 to 64	8,160 ±401	26.3% ±1.3	25.2% ±0.1	24.8% ±<0.1
65 and over	7,727 ±473	24.9% ±1.5	18.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $52,401 ±$3,951, and income per person $29,295 ±$1,572, in 2024 dollars. The median is $69,324 ±$570 in South Carolina and $80,734 ±$166 in the United States.

Households by income

2 more columns on a wider screen

Households in Clarendon County by income, ACS 2020–2024
Household income	Households	Share	South Carolina	United States
Under $25,000	3,119 ±379	25.2% ±3.0	17.0% ±0.2	14.6% ±<0.1
$25,000 to $49,999	2,792 ±365	22.6% ±2.9	19.6% ±0.3	16.7% ±<0.1
$50,000 to $74,999	2,242 ±357	18.1% ±2.8	17.0% ±0.3	15.5% ±<0.1
$75,000 to $99,999	1,437 ±222	11.6% ±1.8	13.1% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,711 ±252	13.8% ±2.0	16.4% ±0.2	17.5% ±<0.1
$150,000 to $199,999	687 ±159	5.6% ±1.3	8.0% ±0.2	9.6% ±<0.1
$200,000 or more	368 ±96	3.0% ±0.8	8.9% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

2 more columns on a wider screen

Poverty rate in Clarendon County by age, ACS 2020–2024
Age	Below poverty	Rate	South Carolina	United States
All ages	4,567 ±568	15.4% ±1.9	14.1% ±0.2	12.5% ±0.1
Under 18	1,047 ±253	19.0% ±4.4	19.4% ±0.4	16.1% ±0.1
18 to 59	2,016 ±368	14.5% ±2.6	13.1% ±0.2	11.6% ±0.1
60 and over	1,504 ±252	14.7% ±2.4	11.6% ±0.3	11.0% ±<0.1

Housing, 2020–2024

1 more column on a wider screen

Housing in Clarendon County, ACS 2020–2024
Measure	Clarendon County	South Carolina	United States
Housing units	16,089 ±46	2,443,039 ±311	143,775,355 ±10,234
Occupied	76.8% ±2.0	86.7% ±0.2	89.9% ±0.1
Vacant	23.2% ±2.0	13.3% ±0.2	10.1% ±0.1
Owner occupied	72.9% ±2.7	71.9% ±0.3	65.2% ±0.3
Renter occupied	27.1% ±2.4	28.1% ±0.3	34.8% ±0.1
Median home value	$158,000 ±$8,169	$259,000 ±$1,421	$332,700 ±$236
Median gross rent	$763 ±$39	$1,180 ±$9	$1,413 ±$2
Median year built	1990 ±2	1992 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

2 more columns on a wider screen

People in Clarendon County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	South Carolina	United States
Hispanic or Latino	1,005 ±0	3.2% ±<0.1	7.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	15,264 ±74	49.3% ±0.2	61.9% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	13,670 ±253	44.1% ±0.8	24.6% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	260 ±29	0.8% ±0.1	1.7% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	58 ±22	0.2% ±0.1	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 30	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 50	0% to 0.2%	0.5% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	708 ±259	2.3% ±0.8	3.7% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

2 more columns on a wider screen

People in Clarendon County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	South Carolina	United States
Born in the state	22,387 ±597	72.2% ±1.9	52.6% ±0.2	57.3% ±<0.1
Born in another state	7,722 ±606	24.9% ±2.0	40.4% ±0.2	26.9% ±<0.1
Born a citizen outside the states	133 to 461	0.4% to 1.5%	1.2% ±0.1	1.7% ±<0.1
Born abroad	580 ±124	1.9% ±0.4	5.8% ±0.1	14.1% ±<0.1
Naturalized citizens	262 ±91	0.8% ±0.3	2.6% ±0.1	7.4% ±<0.1
Not citizens	318 ±102	1.0% ±0.3	3.2% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Clarendon County among the counties of South Carolina

30th of 46 by population, July 2025. Every one is listed on the South Carolina page.

Counties of South Carolina near Clarendon County in population, July 2025
County	July 2025	Change since 2020
Chesterfield County	44,740	+3.4%
Newberry County	39,561	+4.8%
Colleton County	39,382	+2.2%
Jasper County	38,533	+32.2%
Chester County	33,001	+2.2%
Clarendon County	31,043	+0.7%
Edgefield County	29,808	+16.1%
Williamsburg County	29,662	−4.0%
Marion County	28,242	−2.9%
Dillon County	27,458	−2.9%
Union County	26,799	−1.4%

Elsewhere on the site

Rankings this appears in

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — counties and Puerto Rico municipios, with components of change and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026