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, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

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%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

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