Plainfield, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Plainfield, Illinois is 45,705 as of the 2023 American Community Survey, making it the 32nd-largest city in Illinois. The median household income is $142,265, the median home value is $398,000, and the median age is 37.3.
The population has grown 22.2% since 2010 (39,994 → 48,881).
45,705
Population
1764
People / sq mi
$142,265
Median Income
$398,000
Median Home Value
Plainfield covers 25.9 sq mi of land at 1764 people per square mile.
About Plainfield, IL
Plainfield is a city in Illinois with a population of 45,705. It ranks #32 among cities in Illinois by population. The median age is 37.3, younger than the national median. The population is 50.3% male and 49.7% female.
The median household income in Plainfield is $142,265, above the US median of $74,580. 2.6% of residents live below the federal poverty level. Home values sit at a median of $398,000, with monthly rent averaging $1,889. The homeownership rate of 88.7% is higher than the national rate of 64.8%.
Educational attainment in Plainfield reflects 54.9% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 21.3% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 34.1 minutes each way.
Plainfield village Population History (2010-2024)
The city of Plainfield village had a population of 39,994 in 2010 and 48,881 in 2024, a 22.2% growth over 14 years. The peak was 48,881 in 2024. Average annual growth rate: 1.45%.
48,881
Population (2024)
39,994
Population (2010)
48,881
Peak (2024)
1.45%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 39,994 |
| 2011 | 40,208 |
| 2012 | 40,515 |
| 2013 | 41,800 |
| 2014 | 42,137 |
| 2015 | 42,518 |
| 2016 | 42,941 |
| 2017 | 43,832 |
| 2018 | 44,084 |
| 2019 | 44,308 |
| 2020 | 44,970 |
| 2021 | 45,626 |
| 2022 | 46,349 |
| 2023 | 47,607 |
| 2024 | 48,881 |
Race & Ethnicity
| White | 72.3% |
| Black or African American | 9.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.0% |
Economy & Income
$142,265
Median Household Income
$53,675
Per Capita Income
2.6%
Poverty Rate
2.7%
Unemployment Rate
Housing
$398,000
Median Home Value
$1,889
Median Rent
88.7%
Owner-Occupied
Education
95.4%
High School+
54.9%
Bachelor's+
Commute
1.6%
Drive Alone
70.6%
Public Transit
21.3%
Work From Home
34.1 min
Avg Commute
Community Profile
18.9%
Foreign Born
82.0%
Non-English at Home
4.0%
Veterans
8.3%
With Disability
96.7%
Health Insurance
98.8%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 24.2% |
| Finance, Insurance & Real Estate | 13.8% |
| Retail Trade | 8.9% |
| Manufacturing | 8.7% |
| Information | 8.7% |
| Education, Health Care & Social Services | 7.1% |
| Arts, Entertainment & Food Services | 5.0% |
| Construction | 4.2% |
| Public Administration | 2.7% |
| Transportation & Warehousing | 1.0% |
| Agriculture & Mining | 1.0% |
Largest cities in Illinois
Largest counties in Illinois
Part of Illinois
Metro areas in Illinois
City rankings
Frequently Asked Questions
Plainfield, Illinois has a population of 45,705 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 32nd-largest city in Illinois.
The median household income in Plainfield, Illinois is $142,265, with 2.6% of residents living below the federal poverty level.
The median home value in Plainfield, Illinois is $398,000, with median monthly rent at $1,889 and a homeownership rate of 88.7%.
The median age in Plainfield, Illinois is 37.3 years. The population is 50.3% male and 49.7% female.
The population has grown 22.2% since 2010 (39,994 → 48,881).
More from Illinois
Population 2,707,648
Population 179,867
Population 149,785
Population 149,424
Population 147,649
Full rankings of Illinois cities by population
Statewide data for Illinois
Population, race, income, age, and trends across Illinois
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.