Washington township

County:: Warren County
County Seat:: No
Area (mi²):: 2.953
State:: New Jersey

Washington township is located in Warren County, New Jersey. Washington township has a 2025 population of 9,309. Washington township is currently growing at a rate of 0.25% annually and its population has increased by 0.45% since the most recent census, which recorded a population of 9,267 in 2020.

The average household income in Washington township is $217,262 with a poverty rate of 2.51%. The median age in Washington township is 46 years: 43.4 years for males, and 49.4 years for females.

Demographics

The racial composition of Washington township includes 85.37% White, 6.26% Asian, and smaller percentages for Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	7,919	85.37%
Two or more races	598	6.45%
Asian	581	6.26%
Black or African American	162	1.75%
Other race	10	0.11%
Native American	6	0.06%
Native Hawaiian or Pacific Islander	0	0%

Washington township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Washington township's average per capita income is $92,407. Household income levels show a median of $168,922. The poverty rate stands at 2.51%.

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	$187,411	-
Families	$176,789	$225,883
Households	$168,922	$217,262
Non Families	$102,308	$154,343

$92,407

Average Income

$168,922

Median Household Income

2.51%

Poverty Rate