South Union township

County:: Fayette County
County Seat:: No
Area (mi²):: 16.755
State:: Pennsylvania

South Union township is located in Fayette County, Pennsylvania. South Union township has a 2025 population of 10,179. South Union township is currently declining at a rate of -1.32% annually and its population has decreased by -6.37% since the most recent census, which recorded a population of 10,872 in 2020.

The average household income in South Union township is $102,039 with a poverty rate of 9.22%. The median age in South Union township is 44.4 years: 44.4 years for males, and 44.3 years for females.

Demographics

The racial composition of South Union township includes 92.64% White, and smaller percentages for Asian, Black or African American, Native Hawaiian or Pacific Islander, Native American, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Native Hawaiian or Pacific Islander

Native American

Other race

Race	Population	Percentage (of total)
White	9,906	92.64%
Two or more races	384	3.59%
Asian	196	1.83%
Black or African American	165	1.54%
Native Hawaiian or Pacific Islander	42	0.39%
Native American	0	0%
Other race	0	0%

South Union township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Union township's average per capita income is $50,488. Household income levels show a median of $76,812. The poverty rate stands at 9.22%.

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	$119,154	-
Families	$109,250	$131,083
Households	$76,812	$102,039
Non Families	$35,786	$43,478

$50,488

Average Income

$76,812

Median Household Income

9.22%

Poverty Rate