Plainfield

County:: Union County
County Seat:: No
Area (mi²):: 5.959
State:: New Jersey

Plainfield is a city located in Union County, New Jersey. Plainfield has a 2025 population of 54,890. Plainfield is currently growing at a rate of 0.2% annually and its population has increased by 1.01% since the most recent census, which recorded a population of 54,340 in 2020.

The average household income in Plainfield is $100,586 with a poverty rate of 17.14%. The median age in Plainfield is 33 years: 32.3 years for males, and 33.8 years for females.

Demographics

The racial composition of Plainfield includes 45.36% other race, 33.43% Black or African American, 10.39% White, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Other race

Black or African American

White

Two or more races

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
Other race	24,728	45.36%
Black or African American	18,224	33.43%
White	5,664	10.39%
Two or more races	5,238	9.61%
Asian	479	0.88%
Native American	182	0.33%
Native Hawaiian or Pacific Islander	0	0%

Plainfield Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Plainfield's average per capita income is $36,896. Household income levels show a median of $80,334. The poverty rate stands at 17.14%.

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	$108,997	-
Families	$82,181	$105,989
Households	$80,334	$100,586
Non Families	$50,744	$69,441

$36,896

Average Income

$80,334

Median Household Income

17.14%

Poverty Rate