Clarendon County, South Carolina Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 29th-largest in South Carolina
The population of Clarendon County, South Carolina is 31,037 as of the 2023 American Community Survey, making it the 29th-largest county in South Carolina. The median household income is $48,887, the median home value is $147,300, and the median age is 45.9.
The population of Clarendon County has declined 11.2% since 2010 (34,947 → 31,030), a -0.85% annualized rate.
31,037
Population
-0.85%
Annual growth
51
People / sq mi
$48,887
Median Income
$147,300
Median Home Value
Clarendon County covers 607 sq mi of land at 51.1 people per square mile.
About Clarendon County, SC
Among US counties, Clarendon County stands out first on household income: a median of $48,887, below the US median of $78,538. Clarendon County is a county in South Carolina with a population of 31,037. It ranks #29 among counties in South Carolina by population.
The typical household earns $48,887, below the US median of $78,538. Poverty sits at 13.9%, above the national 12.4%. Median home value is $147,300, with typical rent around $728.
Degree attainment is on the lower side for US counties: 17.7% of adults hold a bachelor’s degree, below the national 35.0%. Just 5.1% of workers are home-based, below the national 14.0%, and the average commute runs about 31 minutes each way.
Clarendon County Population History (2010-2024)
The county of Clarendon County had a population of 34,947 in 2010 and 31,030 in 2024, a -11.2% growth over 14 years. The peak was 34,947 in 2010. Average annual growth rate: -0.82%.
31,030
Population (2024)
34,947
Population (2010)
34,947
Peak (2010)
-0.82%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 34,947 |
| 2011 | 34,711 |
| 2012 | 34,329 |
| 2013 | 34,267 |
| 2014 | 34,222 |
| 2015 | 34,037 |
| 2016 | 34,283 |
| 2017 | 34,053 |
| 2018 | 33,772 |
| 2019 | 33,803 |
| 2020 | 30,841 |
| 2021 | 30,965 |
| 2022 | 30,976 |
| 2023 | 31,119 |
| 2024 | 31,030 |
Race & Ethnicity
| White | 50.1% |
| Black or African American | 45.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Age & Sex
45.9
Median Age
50.7%
Female
49.3%
Male
24.5%
Age 65+
Age Distribution
Children (under 15): 15.0% · Seniors (65+): 24.5%
Income & Poverty
| Median household income | $48,887$-17,931 vs state |
| Mean household income | $68,565 |
| Per-capita income | $28,289 |
| Poverty rate | 13.9%+3.8% vs state |
| Unemployment rate | 4.1% |
| Employment-to-population | 43.5% |
Top Industries by Employment
The largest employment sector in Clarendon County is professional & business services, accounting for 20.9% of workers.
How residents commute
0.1%
Drive alone
1.7%
Carpool
83.4%
Public transit
5.1%
Work from home
31.1 min
Avg commute
Housing
$147,300$-89,400 vs state
Median home value
$728
Median rent
73.0%
Homeownership rate
16,009
Total housing units
74.6%
Occupied
25.4%
Vacant
27.0%
Renter-occupied
Social & access
90.2%
With health insurance
88.3%
With broadband internet
24.6%
Foreign-born
6.9%
Veterans (18+)
18.0%
With a disability
96.7%
Speak language other than English at home
Education
81.9%
High School+
17.7%
Bachelor's+
Largest cities in South Carolina
Other counties in South Carolina
Part of South Carolina
Metro areas in South Carolina
County rankings
Frequently Asked Questions
Clarendon County, South Carolina has a population of 31,037 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 29th-largest county in South Carolina. Population density is 51 people per square mile.
The population of Clarendon County has declined 11.2% since 2010 (34,947 → 31,030), a -0.85% annualized rate.
The median household income in Clarendon County, South Carolina is $48,887, with mean (average) household income of $68,565 and per-capita income of $28,289. 13.9% of residents live below the federal poverty level.
In Clarendon County, the largest racial and ethnic groups are White (50.1%), Black or African American (45.2%), Hispanic or Latino (1.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Clarendon County, South Carolina is 45.9 years. Residents are 50.7% female and 49.3% male.
The median home value in Clarendon County is $147,300 and median monthly rent is $728. 73.0% of occupied housing units are owner-occupied. The county has 16,009 total housing units, 25.4% of which are vacant.
The largest employment sector in Clarendon County, South Carolina is professional, scientific, and management services, employing 20.9% of workers. The unemployment rate is 4.1%.
Charleston is among the largest cities associated with Clarendon County, South Carolina, with a population of 152,014.
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Full rankings of South Carolina counties
Statewide data for South Carolina
Population, race, income, age, and trends across South Carolina
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.