Barnwell Flag

Barnwell

County:
Barnwell County
County Seat:
Yes
Area (mi²):
7.842

Barnwell is a city located in Barnwell County, South Carolina. Barnwell has a 2026 population of 4,558. It is also the county seat of Barnwell County. Barnwell is currently declining at a rate of -0.33% annually and its population has decreased by -1.98% since the most recent census, which recorded a population of 4,650 in 2020.

The median household income in Barnwell is $52,006 with a poverty rate of 23.89%. The median age in Barnwell is 36.4 years: 36.2 years for males, and 37.1 years for females. For every 100 females there are 91.0 males.

4.6K
Total Population
581
Density (mi²)
-15 -0.33%
Growth

Barnwell Population

Barnwell Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20264,558-15-0.33%
20254,573-16-0.35%
20244,58950.11%
20234,584-17-0.37%
20224,601-36-0.78%
20214,637-16-0.34%
20204,6503458.01%
20194,305-60-1.37%
20184,365-60-1.36%
20174,425-72-1.6%
20164,497-52-1.14%
20154,549-66-1.43%
20144,615-44-0.94%
20134,659-33-0.7%
20124,692-30-0.64%
20114,722-42-0.88%
20104,764140.29%
20005,035-220-4.19%
19905,255-317-5.69%
19805,5721,13325.52%
19704,439-129-2.82%
19604,56800%

Median Age

Overall: 36.4 years
Female: 37.1 years
Male: 36.2 years

Barnwell Adults

There are 3,489 adults, (739 of whom are seniors) in Barnwell.

Sex Ratio

Female: 2,415 (52.4%)
Male: 2,198 (47.6%)

Demographics

The racial composition of Barnwell includes 49.01% White, 46.04% Black or African American, and smaller percentages for Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,26149.01%
Black or African American2,12446.04%
Two or more races1403.03%
Asian631.37%
Native American250.54%
Race
Population ↓
Percentage (of total)
White1503.25%
Black or African American70.15%
Race
Population ↓
Percentage (of total)
Black or African American2,11745.89%
White2,11145.76%
Two or more races1403.03%
Asian631.37%
Native American250.54%

Barnwell Marital Status

Economics and Income Statistics

Barnwell 's average per capita income is $44,158. Household income levels show a median of $52,006. The poverty rate stands at 23.89%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$92,813-
Families$81,792$89,339
Households$52,006$72,164
Non Families$24,934$41,807

$44,158

Average Income

$52,006

Median Household Income

23.89%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)