Northumberland

County:: Northumberland County
County Seat:: No
Area (mi²):: 1.61
State:: Pennsylvania

Northumberland is a borough located in Northumberland County, Pennsylvania. Northumberland has a 2025 population of 3,794. Northumberland is currently declining at a rate of -0.58% annually and its population has decreased by -2.87% since the most recent census, which recorded a population of 3,906 in 2020.

The average household income in Northumberland is $67,057 with a poverty rate of 18.3%.The median age in Northumberland is 41.6 years: 41.4 years for males, and 41.7 years for females.

Demographics

The racial composition of Northumberland includes 90.17% White, 4.44% Black or African American, and smaller percentages for Two or more races, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	3,493	90.17%
Black or African American	172	4.44%
Two or more races	109	2.81%
Other race	100	2.58%

Northumberland Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Northumberland's average per capita income is $40,674. Household income levels show a median of $57,162. The poverty rate stands at 18.3%.

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	$90,547	-
Families	$76,078	$75,407
Households	$57,162	$67,057
Non Families	$35,909	$48,818

$40,674

Average Income

$57,162

Median Household Income

18.3%

Poverty Rate