Castle Shannon Flag

Castle Shannon

County Seat:
No
Area (mi²):
1.598
State:
Pennsylvania

Castle Shannon is a borough located in Allegheny County, Pennsylvania. Castle Shannon has a 2025 population of 7,975. Castle Shannon is currently declining at a rate of -0.78% annually and its population has decreased by -3.8% since the most recent census, which recorded a population of 8,290 in 2020.

The average household income in Castle Shannon is $81,574 with a poverty rate of 8.45%.The median age in Castle Shannon is 41.9 years: 40.3 years for males, and 42.2 years for females.

8K
Total Population
4,991
Density (mi²)
-63 -0.78%
Growth

Castle Shannon Population

Castle Shannon Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Castle Shannon includes 85.72% White, 4.75% Black or African American, and smaller percentages for Asian, other race and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White7,06185.72%
Two or more races4935.99%
Black or African American3914.75%
Asian2252.73%
Other race670.81%

Castle Shannon Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Castle Shannon's average per capita income is $50,422. Household income levels show a median of $62,426. The poverty rate stands at 8.45%.

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$104,375-
Families$92,408$101,343
Households$62,426$81,574
Non Families$50,581$59,273

$50,422

Average Income

$62,426

Median Household Income

8.45%

Poverty Rate

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)