Plainfield township

County:: Will County
County Seat:: No
Area (mi²):: 33.208
State:: Illinois

Plainfield township is located in Will County, Illinois. Plainfield township has a 2025 population of 84,551. Plainfield township is currently growing at a rate of 0.75% annually and its population has increased by 2.89% since the most recent census, which recorded a population of 82,177 in 2020.

The average household income in Plainfield township is $135,633 with a poverty rate of 5.08%. The median age in Plainfield township is 35.3 years: 35 years for males, and 35.7 years for females.

Demographics

The racial composition of Plainfield township includes 69.23% White, 10.1% Black or African American, 5.5% other race, 4.38% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	57,202	69.23%
Two or more races	8,419	10.19%
Black or African American	8,346	10.1%
Other race	4,541	5.5%
Asian	3,621	4.38%
Native American	499	0.6%
Native Hawaiian or Pacific Islander	0	0%

Plainfield township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Plainfield township's average per capita income is $61,845. Household income levels show a median of $120,245. The poverty rate stands at 5.08%.

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	$139,689	-
Families	$125,841	$142,950
Households	$120,245	$135,633
Non Families	$74,970	$87,313

$61,845

Average Income

$120,245

Median Household Income

5.08%

Poverty Rate