Plainfield township Flag

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.

84.6K
Total Population
2,546
Density (mi²)
631 0.75%
Growth

Plainfield township Population

Plainfield township Population

Data after 2023 is projected based on recent change

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 and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White57,20269.23%
Two or more races8,41910.19%
Black or African American8,34610.1%
Other race4,5415.5%
Asian3,6214.38%
Native American4990.6%

Plainfield township Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)