Dillon County, South Carolina Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Dillon 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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D
Health Well below averageLeast healthy county in South Carolina
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D
Income Well below averageAmong the 3 least wealthy counties in South Carolina
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F
Education Well below averageAmong the 5 least educated counties in South Carolina
Source: Map AI Methodology
Population: density and quick facts
| Metric | Dillon County | South Carolina Avg | U.S. Average |
|---|---|---|---|
| Population | 27,862 | 5,295,781 | 337,468,954 |
| Population density (per sq mi) | 68.5 | 165.5 | 86.4 |
| Population growth (%/yr) | -1.42% | 1.16% | 0.59% |
| Median age | 37.0 | 40.4 | 37.3 |
| Households | 10,829 | 2,118,015 | 130,235,071 |
Population in Dillon County declined by 9.5% from 2009 to 2024, reaching 27,862 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Dillon County is Gen Z, aged 13–28, at 20.8% of residents. That is 0.4 points below South Carolina as a whole.
- Gen Z 13–28 5,793 20.8% -0.4 pts
- Millennials 29–44 5,228 18.8% -2.2 pts
- Gen X 45–60 5,767 20.7% +0.5 pts
- Boomers 61–79 5,035 18.1% -0.4 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 53.1% of the people living in Dillon County and men 46.9%.
- Women 53.1% South Carolina 51.2%
- Men 46.9% South Carolina 48.8%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Dillon County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Dillon County has a the economy index of D, which means it is barely prosperous.
| Metric | Dillon County | South Carolina Avg | U.S. Average |
|---|---|---|---|
| Median household income | $46,591 | $69,383 | $80,455 |
| Income growth (%/yr) | 5.32% | 5.01% | 4.80% |
| Unemployment rate | 8.9% | 4.8% | 5.2% |
The median household income in Dillon County is about 33% lower than in South Carolina.
Housing
| Metric | Dillon County | South Carolina Avg | U.S. Average |
|---|---|---|---|
| Median home price | $57,413 | $239,609 | $248,835 |
| Median rent | $678 | $1,179 | $1,407 |
| Homeownership rate | 64.7% | 71.9% | 65.2% |
The median home price in Dillon County is about 7.1 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $678 per month for that long.
Commute Time & Mobility
Commuters in Dillon County spend about 42 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 176 hours, about 7.3 full days, spent commuting.
| Metric | Dillon County | South Carolina Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 21.1 | 22.3 | 22.4 |
| Round-trip commute (min) | 42.3 | 44.5 | 44.8 |
| Yearly time spent (hours) | 176 | 186 | 187 |
| Estimated yearly cost | $5,459 | $5,753 | $5,790 |
| Work from home | 4.0% | 11.5% | 15.0% |
| Highway traffic (vehicles/day) | 6,395 | 9,507 | 8,813 |
| Local road traffic (vehicles/day) | 612 | 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 Dillon County is 21 minutes, shorter 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
Dillon County has a education index of F, which means it scores poorly in education.
| Metric | Dillon County | South Carolina Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 10.7% | 28.2% | 31.6% |
| Average household size | 2.54 | 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
Dillon County has a health index of D, which means it is barely healthy.
| Metric | Dillon County | South Carolina Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 75.1 | 75.8 | 78.3 |
| Self-rated poor health | 25.9% | 19.6% | 16.3% |
| Smokers | 28.1% | 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).
Dillon County, SC Compared With Nearby Counties
Dillon County, SC is the 5th largest of the 6 counties compared here, 27,862 residents against a local median of 33,590. Where Dillon County, SC breaks from the counties next to it is median home price, sitting 48% below the local median of $109,821 at $57,413.
The counties themselves spread $69,661 on median home price, so Dillon County, SC sits at one end of an already wide local range rather than apart from it. Dillon County, SC has the 6th highest median home price of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Dillon County, SC | 27,862 | $46,591 #2/6 | $57,413 #6/6 | 21.1 min #3/6 |
| Marion County, SC | 28,664 | $36,420 | $132,812 | 28.5 min |
| Marlboro County, SC | 25,963 | $34,094 | $96,855 | 22.3 min |
| Robeson County, NC | 116,854 | $42,419 | $94,967 | 21.4 min |
| Scotland County, NC | 33,590 | $45,742 | $109,821 | 18.5 min |
| Florence County, SC | 137,115 | $58,597 | $164,627 | 18.3 min |
Frequently Asked Questions
Common questions about Dillon County, South Carolina.
How big is Dillon County, South Carolina by population?
About 27,862 people live in Dillon County, South Carolina, in 10,829 households of 2.5 people on average. The median age is 37.0, close to the U.S. median of 37.3.
How densely populated is Dillon County, South Carolina?
Averaged over its land area, Dillon County, South Carolina has 69 people per square mile, a density typical of rural areas. That is close to the U.S. average of 86.
How affordable is housing in Dillon County, South Carolina?
The median home costs 1.2 times the median household income ($57,413 against $46,591), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $678 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 Dillon County, South Carolina?
Unemployment in Dillon County, South Carolina is 8.9%, well above the U.S. rate of 5.2%, so job seekers may face more competition than elsewhere.
What share of adults in Dillon County, South Carolina have a college degree?
10.7% of adults in Dillon County, South Carolina hold a bachelor's degree or higher (about 1 in 9), well below the U.S. share of 31.6%.
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