Barnwell

County:: Barnwell County
County Seat:: No
Area (mi²):: 7.842
State:: South Carolina

Barnwell is a city located in Barnwell County, South Carolina. Barnwell has a 2025 population of 4,531. Barnwell is currently declining at a rate of -0.51% annually and its population has decreased by -2.48% since the most recent census, which recorded a population of 4,646 in 2020.

The average household income in Barnwell is $62,544 with a poverty rate of 33.09%.The median age in Barnwell is 33.5 years: 32.6 years for males, and 37.2 years for females.

Demographics

The racial composition of Barnwell includes 47.88% Black or African American, 45.75% White, and smaller percentages for Asian, Native American, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
Black or African American	2,210	47.88%
White	2,112	45.75%
Two or more races	166	3.6%
Asian	80	1.73%
Native American	30	0.65%
Other race	18	0.39%

Barnwell Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Barnwell's average per capita income is $41,688. Household income levels show a median of $43,239. The poverty rate stands at 33.09%.

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	$118,397	-
Families	$76,667	$81,033
Households	$43,239	$62,544
Non Families	$23,421	$39,415

$41,688

Average Income

$43,239

Median Household Income

33.09%

Poverty Rate