South Fayette township Flag

South Fayette township

County Seat:
No
Area (mi²):
20.301
State:
Pennsylvania

South Fayette township is located in Allegheny County, Pennsylvania. South Fayette township has a 2026 population of 18,744. South Fayette township is currently growing at a rate of 0.42% annually and its population has increased by 2.14% since the most recent census, which recorded a population of 18,351 in 2020.

The median household income in South Fayette township is $124,112 with a poverty rate of 3.63%. The median age in South Fayette township is 41.3 years: 41 years for males, and 41.7 years for females. For every 100 females there are 93.6 males.

18.7K
Total Population
923
Density (mi²)
79 0.42%
Growth

South Fayette township Population

South Fayette township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202618,744790.42%
202518,665790.43%
202418,586790.43%
202318,507570.31%
202218,450100.05%
202118,440890.48%
202018,35120.01%
201915,9422281.45%
201815,7141631.05%
201715,551800.52%
201615,471890.58%
201515,3821360.89%
201415,2461831.21%
201315,0632011.35%
201214,8622241.53%
201114,6382221.54%
201014,417380.26%

Median Age

Overall: 41.3 years
Female: 41.7 years
Male: 41 years

South Fayette township Adults

There are 13,688 adults, (3,155 of whom are seniors) in South Fayette township.

Sex Ratio

Female: 9,533 (51.6%)
Male: 8,927 (48.4%)

Demographics

The racial composition of South Fayette township includes 78.54% White, 11.28% Asian, 3.04% Black or African American, and smaller percentages for other race, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White14,49978.54%
Asian2,08211.28%
Two or more races1,0545.71%
Black or African American5613.04%
Other race2621.42%
Native American20.01%
Race
Population ↓
Percentage (of total)
Two or more races4282.32%
White910.49%
Other race770.42%
Race
Population ↓
Percentage (of total)
White14,40878.05%
Asian2,08211.28%
Two or more races6263.39%
Black or African American5613.04%
Other race1851%
Native American20.01%

South Fayette township Marital Status

Economics and Income Statistics

South Fayette township 's average per capita income is $69,644. Household income levels show a median of $124,112. The poverty rate stands at 3.63%.

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$151,081-
Families$144,185$172,644
Households$124,112$154,159
Non Families$61,280$95,841

$69,644

Average Income

$124,112

Median Household Income

3.63%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)