Sewickley

County:: Allegheny County
County Seat:: No
Area (mi²):: 0.999
State:: Pennsylvania

Sewickley is a borough located in Allegheny County, Pennsylvania. Sewickley has a 2025 population of 3,685. Sewickley is currently declining at a rate of -1.15% annually and its population has decreased by -5.56% since the most recent census, which recorded a population of 3,902 in 2020.

The average household income in Sewickley is $150,923 with a poverty rate of 6.99%. The median age in Sewickley is 38.9 years: 37.1 years for males, and 41.5 years for females.

Demographics

The racial composition of Sewickley includes 87.38% White, and smaller percentages for Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	3,364	87.38%
Two or more races	338	8.78%
Black or African American	95	2.47%
Other race	38	0.99%
Asian	15	0.39%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Sewickley Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sewickley's average per capita income is $70,795. Household income levels show a median of $94,828. The poverty rate stands at 6.99%.

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	$176,667	-
Families	$165,430	$206,274
Households	$94,828	$150,923
Non Families	$39,318	$65,446

$70,795

Average Income

$94,828

Median Household Income

6.99%

Poverty Rate