Allegheny County Flag

Allegheny County

State:
Pennsylvania
County Seat:
Pittsburgh

Allegheny County's estimated 2025 population is 1,209,265 with a growth rate of -0.64% in the past year according to the most recent United States census data. Allegheny County is the 2nd largest county in Pennsylvania. The 2010 population was 1,223,973 and has seen a growth of -1.2% since that time.

1,209,265
Total Population
1,657
Population Density (mi²)
2
Population Rank (State)
-7.8K -0.64%
Annual Population Growth

Allegheny County Population

Allegheny County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Allegheny County includes 76.9% White, 12.5% Black or African American, 4.14% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White953,92276.9%
Black or African American155,05612.5%
Two or more races64,9815.24%
Asian51,3374.14%
Other race13,6781.1%
Native American1,2170.1%
Native Hawaiian or Pacific Islander2850.02%

Allegheny County Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Allegheny County's average per capita income is $55,447. Household income levels show a median of $76,393. The poverty rate stands at 11.21%.

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$126,719$162,671
Families$106,527$139,143
Households$76,393$107,275
Non Families$46,626$64,907

$55,447

Average Income

$76,393

Median Household Income

11.21%

Poverty Rate