ZIP Code Tabulation Area · South Carolina

ZIP Code 29812: Barnwell County, SC

ZIP Code 29812 (Barnwell County, South Carolina) has an estimated 11,132 residents in 4,244 households. The median household income is $51,870, the median home value is $112,900 and the median gross rent is $717/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Total population

11,132

Margin of error ±585

Median household income

$51,870

Margin of error ±$6,494

Median home value

$112,900

Margin of error ±$17,398

Median gross rent

$717/mo

Margin of error ±$60

Median age

38.7 yrs

Margin of error ±2.9 yrs

Mean travel time to work

27.1 min

Margin of error ±4.9 min

How ZIP 29812 compares with South Carolina and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 2981238.7 yrsSouth Carolina40.2 yrsUnited States38.9 yrs

Median household income

ZIP 29812$51,870South Carolina$69,324United States$80,734

Per capita income

ZIP 29812$29,275South Carolina$39,236United States$44,673

Poverty rate

ZIP 2981223.8%South Carolina14.1%United States12.5%

Unemployment rate

ZIP 298127.3%South Carolina4.9%United States5.2%

Bachelor's degree or higher

ZIP 2981215.3%South Carolina32.1%United States35.7%

Median home value

ZIP 29812$112,900South Carolina$259,000United States$332,700

Median gross rent

ZIP 29812$717/moSouth Carolina$1,180/moUnited States$1,413/mo

Owner-occupied homes

ZIP 2981276.4%South Carolina71.9%United States65.2%

Mean travel time to work

ZIP 2981227.1 minSouth Carolina25.6 minUnited States26.4 min

Worked from home

ZIP 298124.3%South Carolina11.5%United States15.1%

All figures for ZIP 29812

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 29812 — ACS 2020–2024 5-year estimates
Measure	ZIP 29812	Margin of error	South Carolina	United States
Total population	11,132	±585	5,296,225	334,922,499
Median age	38.7 yrs	±2.9 yrs	40.2 yrs	38.9 yrs
Households	4,244	±310	2,117,989	129,227,496
Median household income	$51,870	±$6,494	$69,324	$80,734
Per capita income	$29,275	±$2,994	$39,236	$44,673
Poverty rate	23.8%	±4.4 pts	14.1%	12.5%
Unemployment rate	7.3%	±3.6 pts	4.9%	5.2%
Bachelor's degree or higher	15.3%	±3.2 pts	32.1%	35.7%
Median home value	$112,900	±$17,398	$259,000	$332,700
Median gross rent	$717/mo	±$60	$1,180/mo	$1,413/mo
Owner-occupied homes	76.4%	±4.2 pts	71.9%	65.2%
Mean travel time to work	27.1 min	±4.9 min	25.6 min	26.4 min
Worked from home	4.3%	±2.1 pts	11.5%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 29812
Group	ZIP 29812	South Carolina	United States
White alone, not Hispanic or Latino	57.1%	61.9%	57.4%
Black or African American alone, not Hispanic or Latino	35.7%	24.6%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.2%	0.2%	0.5%
Asian alone, not Hispanic or Latino	0.9%	1.7%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.1%	0.0%	0.2%
Some other race alone, not Hispanic or Latino	0.1%	0.5%	0.6%
Two or more races, not Hispanic or Latino	2.6%	3.7%	4.3%
Hispanic or Latino (of any race)	3.5%	7.4%	19.3%

Where ZIP 29812 is

State: South Carolina
Main county: Barnwell County— also overlaps Allendale County
Largest overlapping place: Barnwell (5% of the ZIP's land area)
Land area: 173.47 sq mi· about 64 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Barnwell County

29817 Barnwell County, SC 29826 Elko, SC 29853 Barnwell County, SC

See every ZIP code in South Carolina, or compare ZIP 29812 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.