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 and multiracial populations.

Population by Race

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%

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