US ZIP Code
29812

Barnwell, SC

Barnwell County  ·  South Carolina

● Active
👥 10,965 Population ↓ 5% since 2019
💰 $44,494 Median HH Income
▼ 42% below avg ↑ 24% since 2019
🎂 40.2 Median Age
🏠 $105,100 Median Home Value
▼ 62% below avg ↑ 22% since 2019
🎓 32.7% College Grads
▼ 16% below avg
📊 7.2% Unemployment
▲ 48% above avg ↑ 82% since 2019
ZIP Code Details
ZIP Code29812
CityBarnwell
StateSouth Carolina (SC)
CountyBarnwell County
Area Code803/839
Elevation196 ft
Latitude33.214437
Longitude-81.383394
TimezoneNew York (DST)
FIPS45011
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.6% (5,331) Female 51.4% (5,634) ♀

Race & Ethnicity

White: 55.3%Hispanic: 3.2%Black: 37.3%Asian: 0.9%Other: 2.8%Race
White55.3%
Hispanic3.2%
Black37.3%
Asian0.9%
Other2.8%

Age Breakdown

Under 5
7%
5–17
18%
18–24
10%
25–44
21%
45–64
25%
65+
9%

Key Indicators

Median Age40.2 yrs
Avg Household Size2.57
Below Poverty30.4% ▲ 204% above avg
College Grads32.7% ▼ 16% below avg
Unemployment7.2% ▲ 48% above avg
No HS Diploma195 (3.3%)
HS Graduate2,394 (40.1%)
Some College782 (13.1%)
Associates648 (10.9%)
Bachelors872 (14.6%)
Graduate Degree1,077 (18%)

Education

No HS: 3.3%HS Grad: 40.1%Some College: 13.1%Associates: 10.9%Bachelors: 14.6%Graduate: 18%Edu
No HS3.3%
HS Grad40.1%
Some College13.1%
Associates10.9%
Bachelors14.6%
Graduate18.0%
Housing & Income

Housing Tenure

Owner: 74.4%Renter: 25.6%Tenure
Owner74.4%
Renter25.6%

Home Value Distribution

Under $50k
24%
$50k–100k
24%
$100k–150k
16%
$150k–200k
11%
$200k–300k
14%
$300k–500k
10%
Over $500k
1%

Financials

Median HH Income$44,494 ▼ 42% below avg ↑ 24% since 2019
Median Home Value$105,100 ▼ 62% below avg ↑ 22% since 2019
Home/Income Ratio2.4x (nat avg ~3.5x)
Median Rent$656/mo
Total Units5,061
Vacant Units879
Avg HH Size2.57

Income Distribution

Under $25k
33%
$25k–50k
18%
$50k–75k
13%
$75k–100k
13%
$100k–150k
14%
$150k–200k
3%
Over $200k
5%
Employment & Commute

How People Get to Work

Drove Alone
93%
Public Transit
1%
Walked
0%
Work From Home
5%

Commute Time

Under 15 min
38%
15–30 min
24%
30–45 min
13%
Over 45 min
24%
Housing Stock

Year Built

1940s–1950s
10%
1960s–1970s
18%
1980s–1990s
17%
2000+
55%

Summary

Total Units5,061
Vacant879
Owner Occupied74.4%
Renter Occupied25.6%
Avg HH Size2.57
Frequently Asked Questions
ZIP code 29812 is in Barnwell, SC, in Barnwell County.
ZIP code 29812 is located in South Carolina (SC).
ZIP code 29812 is in Barnwell County, SC.
ZIP 29812 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 29812 is 10,965 people (ACS 2023).
The median household income in ZIP code 29812 is $44,494 (ACS 2023).
The median home value in ZIP 29812 is $105,100 (ACS 2023).
About ZIP Code 29812

ZIP code 29812 is located in Barnwell, South Carolina, within Barnwell County. With a population of 10,965, this is a lightly populated ZIP code with a middle-aged community — the median age is 40.2 years. Economically, 29812 is a working-class ZIP code: the median household income of $44,494 is below the national average.

Real estate in ZIP code 29812 represents one of the more affordable housing markets in the country. The median home value of $105,100 is well below the national average. Renters can expect to pay around $656 per month in median rent. Homeownership is strong here — 74.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 22% since 2019.

The population of 29812 is majority White (55.27%). Residents are moderately educated — 32.7% hold a bachelor's degree or higher, which is below the national average. Poverty affects a significant share of residents at 30.4%. Household income has grown by 24% since 2019.

The unemployment rate in 29812 stands at 7.2%, which is above the national average. As in most parts of the country, driving alone is the dominant commute mode at 80%.

Overall, ZIP code 29812 in Barnwell, SC is characterized as working-class, moderately educated, a middle-aged community, and predominantly owner-occupied. With 10,965 residents, a median household income of $44,494, and a median home value of $105,100, it offers a clear picture of life in this part of South Carolina.