Upper St. Clair township Flag

Upper St. Clair township

County Seat:
No
Area (mi²):
9.816
State:
Pennsylvania

Upper St. Clair township is located in Allegheny County, Pennsylvania. Upper St. Clair township has a 2025 population of 20,165. Upper St. Clair township is currently declining at a rate of -1.02% annually and its population has decreased by -4.6% since the most recent census, which recorded a population of 21,137 in 2020.

The average household income in Upper St. Clair township is $193,906 with a poverty rate of 2.87%.The median age in Upper St. Clair township is 43.9 years: 43.2 years for males, and 44.7 years for females.

20.2K
Total Population
2,054
Density (mi²)
-208 -1.02%
Growth

Upper St. Clair township Population

Upper St. Clair township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Upper St. Clair township includes 86.96% White, 7.28% Asian, and smaller percentages for Black or African American, other race, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White18,16986.96%
Asian1,5207.28%
Two or more races7513.59%
Black or African American3231.55%
Other race1270.61%
Native American30.01%

Upper St. Clair township Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Upper St. Clair township's average per capita income is $91,488. Household income levels show a median of $151,563. The poverty rate stands at 2.87%.

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$197,045-
Families$185,616$220,955
Households$151,563$193,906
Non Families$61,842$82,138

$91,488

Average Income

$151,563

Median Household Income

2.87%

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)