Upper St. Clair Flag

Upper St. Clair

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

Upper St. Clair is located in Allegheny County, Pennsylvania. Upper St. Clair has a 2025 population of 20,573 . Upper St. Clair is currently declining at a rate of -0.23% annually and its population has decreased by -2.7% since the most recent census, which recorded a population of 21,143 in 2020.

The average household income in Upper St. Clair is $193,906 with a poverty rate of 2.87%. The median age in Upper St. Clair is 43.9 years: 43.2 years for males, and 44.7 years for females. For every 100 females there are 95.7 males.

20.6K
Total Population
2,096
Density (mi²)
-48 -0.23%
Growth

Upper St. Clair Population

Upper St. Clair Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Upper St. Clair 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

White (86.96%)

Asian (7.28%)

Two or more races (3.59%)

Black or African American (1.55%)

Other race (0.61%)

Native American (0.01%)

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 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'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)