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 and multiracial populations.

Population by Race

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%

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