County

Barnwell County, SC

5 ZIP codes  ·  5 cities  ·  South Carolina

👥21,400Population
💰$43,489Median HH Income▼ 43% below avg
🎂40.5Median Age
🏠$98,914Median Home Value▼ 65% below avg
🎓28.0%College Grads▼ 28% below avg
📊7.5%Unemployment▲ 52% above avg
People & Population (ACS 2023 — weighted avg)
♂ Male 48.2% Female 51.8% ♀

Race & Ethnicity

White: 51.4%Hispanic: 3.1%Black: 42.1%Asian: 0.7%Other: 2.5%Race
White51.4%
Hispanic3.1%
Black42.1%
Asian0.7%
Other2.5%

Age Breakdown

Under 5
7%
5–17
17%
18–24
9%
25–44
23%
45–64
25%
65+
8%

Key Indicators

Median Age40.5 yrs
Avg HH Size2.50
Below Poverty26.8% ▲ 168% above avg
College Grads28.0% ▼ 28% below avg
Unemployment7.5% ▲ 52% above avg
No HS Diploma315 (2.6%)
HS Graduate5,041 (41.1%)
Some College1,815 (14.8%)
Associates1,674 (13.6%)
Bachelors1,596 (13%)
Graduate Degree1,831 (14.9%)

Education

No HS: 2.6%HS Grad: 41.1%Some College: 14.8%Associates: 13.6%Bachelors: 13%Graduate: 14.9%Edu
No HS2.6%
HS Grad41.1%
Some College14.8%
Associates13.6%
Bachelors13.0%
Graduate14.9%
Housing & Income

Housing Tenure

Owner: 71.8%Renter: 28.2%Tenure
Owner71.8%
Renter28.2%

Home Value Distribution

Under $50k
22%
$50k–$100k
29%
$100k–$150k
18%
$150k–$200k
9%
$200k–$300k
11%
$300k–$500k
10%
Over $500k
2%

Financials

Median HH Income$43,489 ▼ 43% below avg
Median Home Value$98,914 ▼ 65% below avg
Home/Income Ratio2.3x (nat avg ~3.5x)
Median Rent$715/mo
Total Housing Units10,520
Vacant Units2,089

Income Distribution

Under $25k
35%
$25k–$50k
17%
$50k–$75k
13%
$75k–$100k
13%
$100k–$150k
15%
$150k–$200k
4%
Over $200k
4%
Employment & Commute

How People Get to Work

Drove Alone
93%
Public Transit
3%
Walked
1%
Work From Home
3%

Commute Time

Under 15 min
32%
15–30 min
23%
30–45 min
23%
Over 45 min
22%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
10%
1960s–1970s
17%
1980s–1990s
18%
2000+
55%
About Barnwell County, SC

Barnwell County is located in South Carolina and encompasses 5 ZIP codes spanning 5 cities and communities. The county has an estimated population of 21,400 residents. With a median age of 40.47, it is a middle-aged county.

Barnwell County has a working-class economic profile. The median household income of $43,489 is below the national average. Unemployment stands at 7.5%, significantly above the national average. The poverty rate of 26.8% is significantly above the national average, indicating economic challenges.

Housing in Barnwell County is one of the more affordable housing markets in the country, with a median home value of $98,914 — well below the national average. Monthly median rent is approximately $715. Homeownership rates are high at 71.8%, reflecting a largely residential, stable population.

The residents of Barnwell County are majority White (51.35%). Educational attainment is moderately educated — 28.0% of adults hold a bachelor's degree or higher, below the national average.

Barnwell County, SC is a working-class area in South Carolina. The 5 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Barnwell County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
29812 Barnwell 10,965 $44,494 $105,100 $656 7.2% 32.7%
29817 Blackville 4,230 $47,260 $80,200 $910 6.8% 14.4%
29853 Williston 6,011 $39,003 $100,800 $686 6.1% 30.0%

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