Stewartsville

County:: Warren County
County Seat:: No
Area (mi²):: 1.082
State:: New Jersey

Stewartsville is a CDP located in Warren County, New Jersey. Stewartsville has a 2025 population of 683. Stewartsville is currently growing at a rate of 3.48% annually and its population has increased by 24.41% since the most recent census, which recorded a population of 549 in 2020.

The average household income in Stewartsville is $169,402 with a poverty rate of 12.71%. The median age in Stewartsville is 42.9 years: 42.9 years for males, and 42.9 years for females.

Demographics

The racial composition of Stewartsville includes 89.11% White, 6.05% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	589	89.11%
Other race	40	6.05%
Two or more races	32	4.84%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Stewartsville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Stewartsville's average per capita income is $80,156. Household income levels show a median of $155,588. The poverty rate stands at 12.71%.

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	$214,271	-
Families	$156,176	$161,314
Households	$155,588	$169,402
Non Families	-	$193,420

$80,156

Average Income

$155,588

Median Household Income

12.71%

Poverty Rate