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 2026 population of 23,233. North Plainfield is currently growing at a rate of 0.35% annually and its population has increased by 2.13% since the most recent census, which recorded a population of 22,749 in 2020.

The median household income in North Plainfield is $87,349 with a poverty rate of 13.19%. The median age in North Plainfield is 36.2 years: 37.3 years for males, and 35 years for females. For every 100 females there are 90.1 males.

23.2K
Total Population
8,275
Density (mi²)
81 0.35%
Growth

North Plainfield Population

North Plainfield Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202623,233810.35%
202523,152800.35%
202423,0722941.29%
202322,778600.26%
202222,71810%
202122,717-32-0.14%
202022,749-57-0.25%
201921,349-139-0.65%
201821,488-48-0.22%
201721,536-72-0.33%
201621,608-46-0.21%
201521,654-96-0.44%
201421,750-57-0.26%
201321,807-34-0.16%
201221,841120.05%
201121,829450.21%
201021,784-152-0.69%
200021,1032,28312.13%
199018,820-288-1.51%
198019,108-2,688-12.33%
197021,7964,80328.26%
196016,9934,22733.11%
195012,7662,18020.59%
194010,5868268.46%
19309,7602,84441.12%
19206,91679913.06%
19106,1171,10822.12%
19005,00900%

Median Age

Overall: 36.2 years
Female: 35 years
Male: 37.3 years

North Plainfield Adults

There are 17,502 adults, (2,129 of whom are seniors) in North Plainfield.

Sex Ratio

Female: 11,997 (52.6%)
Male: 10,812 (47.4%)

Demographics

The racial composition of North Plainfield includes 34.17% other race, 23.14% Black or African American, 21% White, 4.14% Asian, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Other race7,79334.17%
Black or African American5,27823.14%
White4,79021%
Two or more races3,88817.05%
Asian9444.14%
Native American1160.51%
Race
Population ↓
Percentage (of total)
Other race7,51632.95%
Two or more races3,42915.03%
White1,1865.2%
Black or African American2281%
Native American1160.51%
Asian70.03%
Race
Population ↓
Percentage (of total)
Black or African American5,05022.14%
White3,60415.8%
Asian9374.11%
Two or more races4592.01%
Other race2771.21%

North Plainfield Marital Status

Economics and Income Statistics

North Plainfield 's average per capita income is $41,322. Household income levels show a median of $87,349. The poverty rate stands at 13.19%.

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$108,958-
Families$97,715$114,815
Households$87,349$103,762
Non Families$44,952$64,249

$41,322

Average Income

$87,349

Median Household Income

13.19%

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)