Plainfield

County:: Will County
County Seat:: No
Area (mi²):: 25.476
State:: Illinois

Plainfield is a village located in Will County, Illinois. Plainfield has a 2025 population of 49,111. Plainfield is currently growing at a rate of 1.72% annually and its population has increased by 9.25% since the most recent census, which recorded a population of 44,953 in 2020.

The average household income in Plainfield is $169,311 with a poverty rate of 4.13%. The median age in Plainfield is 37.3 years: 36.3 years for males, and 37.8 years for females.

Demographics

The racial composition of Plainfield includes 72.27% White, 9.34% Asian, 9.04% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Black or African American

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	33,033	72.27%
Asian	4,267	9.34%
Black or African American	4,131	9.04%
Two or more races	3,015	6.6%
Other race	1,155	2.53%
Native American	104	0.23%
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 $76,268. Household income levels show a median of $142,265. The poverty rate stands at 4.13%.

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	$165,884	-
Families	$156,883	$183,852
Households	$142,265	$169,311
Non Families	$70,403	$80,867

$76,268

Average Income

$142,265

Median Household Income

4.13%

Poverty Rate