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 and multiracial populations.

Population by Race

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%

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