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 2026 population of 7,998. Castle Shannon is currently declining at a rate of -0.6% annually and its population has decreased by -3.48% since the most recent census, which recorded a population of 8,286 in 2020.

The median household income in Castle Shannon is $64,071 with a poverty rate of 10.49%. The median age in Castle Shannon is 40 years: 35.8 years for males, and 42.3 years for females. For every 100 females there are 86.9 males.

8K
Total Population
5,006
Density (mi²)
-48 -0.6%
Growth

Castle Shannon Population

Castle Shannon Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20267,998-48-0.6%
20258,046-48-0.59%
20248,094-36-0.44%
20238,130-60-0.73%
20228,190-111-1.34%
20218,301560.68%
20208,286700.85%
20198,216-42-0.51%
20188,258981.2%
20178,160-65-0.79%
20168,22550.06%
20158,220-61-0.74%
20148,281-33-0.4%
20138,314-7-0.08%
20128,321-3-0.04%
20118,32470.08%
20108,31710.01%
20008,556-579-6.34%
19909,135-1,029-10.12%
198010,164-1,872-15.55%
197012,0362001.69%
196011,8366,377116.82%
19505,4591,48937.51%
19403,9701604.2%
19303,81000%

Median Age

Overall: 40 years
Female: 42.3 years
Male: 35.8 years

Castle Shannon Adults

There are 7,061 adults, (1,465 of whom are seniors) in Castle Shannon.

Sex Ratio

Female: 4,392 (53.5%)
Male: 3,817 (46.5%)

Demographics

The racial composition of Castle Shannon includes 86.97% White, and smaller percentages for Asian, Black or African American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White7,13986.97%
Two or more races5076.18%
Asian2452.98%
Black or African American2432.96%
Other race750.91%
Race
Population ↓
Percentage (of total)
Two or more races2703.29%
White450.55%
Other race300.37%
Race
Population ↓
Percentage (of total)
White7,09486.42%
Asian2452.98%
Black or African American2432.96%
Two or more races2372.89%
Other race450.55%

Castle Shannon Marital Status

Economics and Income Statistics

Castle Shannon 's average per capita income is $52,668. Household income levels show a median of $64,071. The poverty rate stands at 10.49%.

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$107,760-
Families$95,030$103,046
Households$64,071$84,488
Non Families$52,907$62,712

$52,668

Average Income

$64,071

Median Household Income

10.49%

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)