Union

County:: Union County
County Seat:: No
Area (mi²):: 7.993
State:: South Carolina

Union is a city located in Union County, South Carolina. Union has a 2025 population of 7,705. Union is currently declining at a rate of -1.13% annually and its population has decreased by -5.39% since the most recent census, which recorded a population of 8,144 in 2020.

The average household income in Union is $52,121 with a poverty rate of 26.38%. The median age in Union is 46.8 years: 45.2 years for males, and 48.6 years for females.

Demographics

The racial composition of Union includes 51.44% White, 45.79% Black or African American, and smaller percentages for Two or more races, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	4,139	51.44%
Black or African American	3,685	45.79%
Two or more races	202	2.51%
Native American	10	0.12%
Asian	7	0.09%
Native Hawaiian or Pacific Islander	4	0.05%
Other race	0	0%

Union Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Union's average per capita income is $37,246. Household income levels show a median of $34,112. The poverty rate stands at 26.38%.

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	$71,150	-
Families	$55,433	$68,762
Households	$34,112	$52,121
Non Families	$21,998	$33,986

$37,246

Average Income

$34,112

Median Household Income

26.38%

Poverty Rate