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 and multiracial populations.

Population by 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%

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