North Plainfield Flag

North Plainfield

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 23,152 . North Plainfield is currently growing at a rate of 0.35% annually and its population has increased by 1.77% since the most recent census, which recorded a population of 22,749 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. For every 100 females there are 87.5 males.

23.2K
Total Population
8,247
Density (mi²)
80 0.35%
Growth

North Plainfield Population

North Plainfield Population

Data after 2023 is projected based on recent change

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

Other race (31.17%)

White (27.48%)

Black or African American (20.93%)

Two or more races (16.57%)

Asian (3.84%)

Race
Population
Percentage (of total)
Other race7,06531.17%
White6,22927.48%
Black or African American4,74520.93%
Two or more races3,75716.57%
Asian8713.84%

North Plainfield Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)