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
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Plainfield covers 25.9 sq mi of land at 1764 people per square mile.
About Plainfield, IL
Homeownership is the standout figure in Plainfield: 88.7% of homes are owner-occupied, higher than the national rate. With 45,705 residents, Plainfield is a city in Illinois. It ranks #32 among cities in Illinois by population.
Households here are among the highest-earning of all US cities: median income is $142,265, above the US median of $78,538. Only 2.6% of residents live in poverty, below the national 12.4%. The typical home is valued at $398,000, with typical rent around $1,889.
About 54.9% of adults 25 and older have a bachelor’s degree, above the 35.0% national figure. About 21.3% of workers primarily work from home, above the national 14.0%, and the average commute runs about 34 minutes each way.
The ownership rate anchors the housing story in Plainfield, and tends to move with the age structure and home-value figures above.
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% |
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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).
Where to stay in Plainfield
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.