Washington township

County:: Warren County
County Seat:: No
Area (mi²):: 44.584
State:: New Jersey

Washington township is located in Warren County, New Jersey. Washington township has a 2025 population of 18,328. Washington township is currently growing at a rate of 0.32% annually and its population has increased by 0.99% since the most recent census, which recorded a population of 18,148 in 2020.

The average household income in Washington township is $207,132 with a poverty rate of 3.55%.The median age in Washington township is 45.9 years: 45.6 years for males, and 46.4 years for females.

Demographics

The racial composition of Washington township includes 84.58% White, 4.23% Asian, and smaller percentages for Black or African American, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	15,374	84.58%
Two or more races	1,465	8.06%
Asian	768	4.23%
Black or African American	315	1.73%
Other race	255	1.4%

Washington township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Washington township's average per capita income is $91,798. Household income levels show a median of $164,639. The poverty rate stands at 3.55%.

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	$207,484	-
Families	$201,807	$240,106
Households	$164,639	$207,132
Non Families	$68,182	$69,954

$91,798

Average Income

$164,639

Median Household Income

3.55%

Poverty Rate