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North Plainfield, New Jersey Demographics & Population 2026

During the 2020–2024 ACS period, North Plainfield, New Jersey had a total population of 22,809, the 45th largest borough in New Jersey, with a median household income of $87,349, which is 16% lower than the state average. The poverty rate is 13.2%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Key Takeaways

North Plainfield Quick Facts

Population 22,809
Median Household Income $87,349
Median Home Value $374,700
Poverty Rate 13.2%
Unemployment Rate 8.8%
Median Age 36.2 years
Homeownership Rate 53.3%
Affordability Ratio 4.3x
Bachelor's Degree or Higher 24.3%
High School Graduation Rate 82.2%
Diversity Index 62/100
Population 22,809 45th of 700
Median Income $87,349 bottom 30%
Poverty Rate 13.2% 6% higher than national
Median Home Value $374,700 below average

How North Plainfield Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population22,66722,809+0.6%
Median household income$83,529$87,349+4.6%
Median home value$350,700$374,700+6.8%

How North Plainfield Compares

Economy & Housing

Household Income Distribution

Under $25K 14.2%
$25K-$50K 14.1%
$50K-$100K 30.2%
$100K+ 41.5%
Detailed income brackets
Under $10K
3.2%
$10K-$15K
4.4%
$15K-$20K
4.9%
$20K-$25K
1.7%
$25K-$30K
1.5%
$30K-$35K
2.1%
$35K-$40K
2.9%
$40K-$45K
3.8%
$45K-$50K
3.9%
$50K-$60K
8.1%
$60K-$75K
6.8%
$75K-$100K
15.3%
$100K-$125K
12.6%
$125K-$150K
7.8%
$150K-$200K
11.6%
$200K+
9.4%

Employment

8.8% Unemployment Rate State: 6.3%|National: 5.2%
75.3% Labor Force Participation

Housing Overview

Owner 53.3%
Renter 46.7%
Affordability Index Moderate
4.3x home value to income ratio
Median gross rent $1,752/mo 24.1% of median household income annually

People & Demographics

Diversity Index

62out of 100
High Diversity

A diverse community with significant representation from multiple racial and ethnic groups.

State average: 66 | National average: 61

Education

North Plainfield Rankings in New Jersey

#45 Population of 700
#482 Median Income of 662
#580 Education of 699
#419 Home Value of 678

Other Cities in Somerset County

CityPopulationMedian IncomePovertyHome Value
Somerset 22,720 $121,028 4.5% $438,800
Hillsborough 22,585 $144,112 2.7% $435,700
Bradley Gardens 14,165 $177,849 4.2% $546,300
Somerville 13,410 $103,760 5.9% $435,700
Franklin Park 13,211 $114,946 11.0% $336,600
Bound Brook 12,219 $90,571 11.1% $397,100
Martinsville 11,559 $205,000 1.4% $720,400
East Franklin 11,070 $115,458 5.9% $385,900
Manville 10,921 $93,333 11.7% $354,300
The Hills 10,785 $154,564 3.8% $577,000

Cities Similar to North Plainfield

These cities in the same state have comparable population and economic profiles.

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Roselle22,646$92,762$379,90027.1%9.5%
Glassboro23,717$87,278$314,40043.0%13.4%
Parsippany21,345$99,405$555,40059.8%6.7%
Elmwood Park21,412$101,740$483,70035.1%11.6%
Harrison20,369$93,013$505,80050.7%11.8%

Population Overview

North Plainfield is a small city located in New Jersey, within Somerset County. The total population is 22,809. It ranks as the 45th most populous out of 700 Census-designated places in New Jersey.

Age Demographics

The median age in North Plainfield is 36.2 years. This is 10% lower than the state median of 40.1 years.

Economy, Income & Housing

The median household income in North Plainfield is $87,349. This is 16% lower than the state median of $103,556. It is also 8% higher than the national median of $80,734. The poverty rate stands at 13.2%. This is 36% higher than the state poverty rate of 9.7%. The unemployment rate is 8.8%. This is 40% higher than the state rate of 6.3%. The median home value is $374,700. Housing costs are 18% lower than the state median of $454,400. The home-value-to-income ratio is 4.3x. 53.3% of occupied housing units are owner-occupied. This homeownership rate is 17% lower than the state average of 63.8%.

Race & Ethnicity

The largest racial or ethnic group in North Plainfield is Hispanic or Latino, making up 54.7% of the population. Black or African American residents account for 22.1%. The White (non-Hispanic) population (15.8%) is well below the state average of 50.9%. The Black or African American population is significantly higher than the state average (22.1% vs 12.2%). The Hispanic or Latino population is significantly higher than the state average (54.7% vs 22.5%). The Asian population (4.1%) is well below the state average of 10.1%.

Education

24.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 44% lower than the state rate of 43.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 82.2%.

Data Sources & Methodology

All demographic data for North Plainfield, New Jersey is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New Jersey state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 700 Census-designated places in New Jersey. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.

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Frequently Asked Questions

What is the population of North Plainfield, New Jersey?

North Plainfield, New Jersey has a population of 22,809 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in North Plainfield, NJ?

The median household income in North Plainfield is $87,349, which is 8% higher than the national median of $80,734.

What is the poverty rate in North Plainfield, NJ?

The poverty rate in North Plainfield is 13.2%. This means approximately 3,000 residents live below the federal poverty line.

What is the racial makeup of North Plainfield, New Jersey?

North Plainfield's population is 15.8% White, 22.1% Black, 54.7% Hispanic/Latino, and 4.1% Asian.

What is the median home value in North Plainfield, NJ?

The median home value in North Plainfield is $374,700. The home-value-to-income ratio is 4.3x.

How educated is North Plainfield, New Jersey?

24.3% of adults (25+) in North Plainfield hold a bachelor's degree or higher, and 7.7% hold a graduate or professional degree.