North Plainfield

County:: Middlesex County
County Seat:: No
Area (mi²):: 2.807
State:: New Jersey

North Plainfield is a borough located in Middlesex County, New Jersey. North Plainfield has a 2025 population of 22,444. North Plainfield is currently declining at a rate of -0.27% annually and its population has decreased by -1.34% since the most recent census, which recorded a population of 22,748 in 2020.

The average household income in North Plainfield is $99,705 with a poverty rate of 14.04%.The median age in North Plainfield is 36.9 years: 36.9 years for males, and 36.9 years for females.

Demographics

The racial composition of North Plainfield includes 31.17% other race, 27.48% White, 20.93% Black or African American, 3.84% Asian, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
Other race	7,065	31.17%
White	6,229	27.48%
Black or African American	4,745	20.93%
Two or more races	3,757	16.57%
Asian	871	3.84%

North Plainfield Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

North Plainfield's average per capita income is $42,803. Household income levels show a median of $83,529. The poverty rate stands at 14.04%.

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	$105,362	-
Families	$95,292	$110,379
Households	$83,529	$99,705
Non Families	$44,821	$64,261

$42,803

Average Income

$83,529

Median Household Income

14.04%

Poverty Rate