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
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 median age is 45.9, older than the national median. The population is 49.3% male and 50.7% female.
The median household income in Clarendon County is $48,887, below the US median of $74,580. 13.9% of residents live below the federal poverty level. Home values sit at a median of $147,300, with monthly rent averaging $728. The homeownership rate of 73.0% is higher than the national rate of 64.8%.
Educational attainment in Clarendon County reflects 17.7% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 5.1% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 31.1 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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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.