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 and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	589	89.11%
Other race	40	6.05%
Two or more races	32	4.84%

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