Plainfield demographics profile

StatisticPlainfieldIllinoisNational
Population41,88112,851,684318,558,162
Population density (sq mi)1,71722291
Median age34.337.437.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)65%55%55%
Families w/ Kids under 1862%44%43%
Speak English83%77%79%
Speak Spanish8%13%13%
Plainfield, IL has a population of 41,881 and is the 978th largest city in the United States. The population density is 1,717 per sq mi which is 672% higher than the Illinois average and 1795% higher than the national average. The median age in Plainfield is 34 which is approximately 8% lower than the Illinois average of 37. In Plainfield, 65% of the population over 15 years of age are married, 83% speak English and 8% speak Spanish. 70% of Plainfield residents were born in Illinois, 20% were born out of state, 0% were born outside of the United States and 10% were foreign born.
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Did you know?

  • The population density in Plainfield is 672% higher than Illinois.
  • The median age in Plainfield is 8% lower than Illinois.
  • In Plainfield 81.13% of the population is White.
  • In Plainfield 5.95% of the population is Black or African American.
  • In Plainfield 7.14% of the population is Asian.

Compare Plainfield, IL Demographics To Other Cities

Plainfield population breakdown by race

RacePlainfieldIllinoisNational
White81.13%72.14%73.35%
Black or African American5.95%14.30%12.63%
Asian7.14%5.10%5.22%
American Indian0.00%0.23%0.82%
Native Hawaiian0.00%0.03%0.18%
Mixed race2.44%2.34%3.06%
Other race3.35%5.86%4.75%
In Plainfield, 11.5% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Plainfield age breakdown

Marital status

Age of children in married couples

Source: The Plainfield, IL demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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