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Plainfield (IL) Streets, Geographical, Population & More

Population of Plainfield, Illinois

StateIllinois
Land Area (mi²)24.3 sq mi
Density (mi²)1,887.6/sq mi
2022 Growth Rate1.14% (518)
Growth Since 20202.1% (941)
Rank in State33th
Rank in Country968th

The population of Plainfield, IL in 2022 is estimated to be 45,798. This is an increase of 1.14% (518 people) compared to the population in 2021.

Population of Plainfield by Race

Population by Race
  • Total
  • Hispanic
  • Non-Hispanic
Race
Population
Percentage

Population of Plainfield by Age

Plainfield Population Pyramid 2022
Plainfield Median Age
37.1
Total
36.4
Male
37.3
Female
Plainfield Sex Ratio
48.5%
21,755
Male
51.5%
23,102
Female
Plainfield Age Dependency Ratio
15.5
Old Age Dependency Ratio
50.7
Child Dependency Ratio
Plainfield Adults
31,172
Adults
(4,174 of whom are seniors) in Plainfield.

Population of Plainfield by Year

Year
PopulationGrowthAnnual Growth Rate