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, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Black or African American

White

Two or more races

Asian

Native American

Other race

Native Hawaiian or Pacific Islander

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%
Native Hawaiian or Pacific Islander	0	0%

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