Clarendon County, South Carolina Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Clarendon County, SC Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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C
Health Below averageLess healthy than 82% of counties in South Carolina
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D
Income Well below averageLess wealthy than 80% of counties in South Carolina
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F
Education Well below averageLess educated than 78% of counties in South Carolina
Source: Map AI Methodology
Population: density and quick facts
| Metric | Clarendon County | South Carolina Avg | U.S. Average |
|---|---|---|---|
| Population | 30,986 | 5,295,781 | 337,468,954 |
| Population density (per sq mi) | 44.6 | 165.5 | 86.4 |
| Population growth (%/yr) | -1.15% | 1.16% | 0.59% |
| Median age | 47.0 | 40.4 | 37.3 |
| Households | 12,356 | 2,118,015 | 130,235,071 |
Population in Clarendon County declined by 5.7% from 2009 to 2024, reaching 30,986 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Clarendon County is Boomers, aged 61–79, at 24.2% of residents. That is 5.8 points above South Carolina as a whole.
- Gen Z 13–28 6,108 19.7% -1.4 pts
- Millennials 29–44 5,227 16.9% -4.1 pts
- Gen X 45–60 6,402 20.7% +0.5 pts
- Boomers 61–79 7,509 24.2% +5.8 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below South Carolina, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.6% of the people living in Clarendon County and men 49.4%.
- Women 50.6% South Carolina 51.2%
- Men 49.4% South Carolina 48.8%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Clarendon County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Clarendon County has a the economy index of D, which means it is barely prosperous.
| Metric | Clarendon County | South Carolina Avg | U.S. Average |
|---|---|---|---|
| Median household income | $52,680 | $69,383 | $80,455 |
| Income growth (%/yr) | 5.57% | 5.01% | 4.80% |
| Unemployment rate | 6.8% | 4.8% | 5.2% |
The median household income in Clarendon County is about 24% lower than in South Carolina.
Housing
| Metric | Clarendon County | South Carolina Avg | U.S. Average |
|---|---|---|---|
| Median home price | $43,750 | $239,609 | $248,835 |
| Median rent | $763 | $1,179 | $1,407 |
| Homeownership rate | 72.9% | 71.9% | 65.2% |
The median home price in Clarendon County is about 4.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $763 per month for that long.
Commute Time & Mobility
Commuters in Clarendon County spend about 58 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 240 hours, about 10.0 full days, spent commuting.
| Metric | Clarendon County | South Carolina Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 28.8 | 22.3 | 22.4 |
| Round-trip commute (min) | 57.6 | 44.5 | 44.8 |
| Yearly time spent (hours) | 240 | 186 | 187 |
| Estimated yearly cost | $7,435 | $5,753 | $5,790 |
| Work from home | 6.5% | 11.5% | 15.0% |
| Highway traffic (vehicles/day) | 4,400 | 9,507 | 8,813 |
| Local road traffic (vehicles/day) | 842 | 1,499 | 1,355 |
Fastest commutes among counties in
South Carolina:
Greenwood County (16.5 min), Sumter County (18.2 min), Florence County (18.3 min).
Slowest:
McCormick County (33.9 min), Fairfield County (30.8 min), Chester County (30.6 min).
The average commute time in Clarendon County is 29 minutes, longer than the 22 minutes in South Carolina.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Clarendon County has a education index of F, which means it scores poorly in education.
| Metric | Clarendon County | South Carolina Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 15.1% | 28.2% | 31.6% |
| Average household size | 2.39 | 2.44 | 2.53 |
Highest education index among counties in
South Carolina:
Charleston County (0.4), Beaufort County (0.3), Richland County (0.3).
Lowest:
Allendale County (0.1), Marlboro County (0.2), Chesterfield County (0.2).
Health
Clarendon County has a health index of C, which means it is somewhat healthy.
| Metric | Clarendon County | South Carolina Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 75.4 | 75.8 | 78.3 |
| Self-rated poor health | 22.7% | 19.6% | 16.3% |
| Smokers | 23.0% | 21.5% | 19.0% |
Highest health index among counties in
South Carolina:
Beaufort County (0.8), Charleston County (0.8), Dorchester County (0.8).
Lowest:
Dillon County (0.8), Allendale County (0.8), Marlboro County (0.8).
Clarendon County, SC Compared With Nearby Counties
Clarendon County, SC is the 3rd largest of the 4 counties compared here, 30,986 residents against a local median of 104,715. Clarendon County, SC's median home price, at $43,750, runs 80% below the $216,121 typical of the counties around it.
The counties themselves spread $269,136 on median home price, so Clarendon County, SC sits at one end of an already wide local range rather than apart from it. Clarendon County, SC has the 3rd highest median home price of the 4 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Clarendon County, SC | 30,986 | $52,680 #3/4 | $43,750 #3/4 | 28.8 min #3/4 |
| Sumter County, SC | 104,715 | $56,802 | $216,121 | 18.2 min |
| Williamsburg County, SC | 30,282 | $45,868 | $24,038 | 30.0 min |
| Berkeley County, SC | 246,888 | $84,225 | $293,174 | 27.8 min |
Frequently Asked Questions
Common questions about Clarendon County, South Carolina.
What is the population of Clarendon County, South Carolina?
About 30,986 people live in Clarendon County, South Carolina, in 12,356 households of 2.4 people on average. The median age is 47.0, so residents are older than the U.S. median of 37.3 by about 10 years.
Is Clarendon County, South Carolina mostly urban or rural?
Averaged over its land area, Clarendon County, South Carolina has 45 people per square mile, a density typical of rural areas. That is about 52% of the U.S. average of 86.
How affordable is housing in Clarendon County, South Carolina?
The median home costs 0.8 times the median household income ($43,750 against $52,680), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $763 a month takes about 17% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is unemployment high in Clarendon County, South Carolina?
Unemployment in Clarendon County, South Carolina is 6.8%, well above the U.S. rate of 5.2%, so job seekers may face more competition than elsewhere.
How common is a college degree in Clarendon County, South Carolina?
15.1% of adults in Clarendon County, South Carolina hold a bachelor's degree or higher (about 1 in 7), well below the U.S. share of 31.6%.
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