Village · Illinois
Plainfield, Illinois
Plainfield, village, mostly in Will County (92.7% of its 2020 residents), with a part in Kendall County, Illinois. Plainfield had 50,043 residents on July 1, 2025 by the Census Bureau's estimate, up 11.5% since 2020; the 2020 Census counted 44,762 and the ACS 2020-2024 5-year estimates put it at 46,708 (±218). GEOID 1760287.
Residents, July 2025 estimate
50,043
Census Bureau estimate (no margin published)
2020 Census count: 44,762 · ACS 2020-2024: 46,708 ±218
Median household income
$144,000
±$9,206 (90% margin)
Illinois: $83,390
Median home value
$431,400
±$8,217 (90% margin)
Illinois: $263,300
Median gross rent
$2,119
±$188 (90% margin)
Illinois: $1,274
Where is Plainfield and what county is it in?
Plainfield is a village mostly in Will County (92.7% of its 2020 residents), with a part in Kendall County, Illinois. It covers 25.9 square miles of land, 1,728 residents per square mile in 2020.
Plainfield is in the Chicago-Naperville-Elgin, IL-IN metropolitan statistical area, which takes in 13 counties (Census Bureau delineation, July 2023).
Plainfield lies mostly within Plainfield Township and reaches into Wheatland Township (Will County), Oswego Township and Na-Au-Say Township, towns or townships with their own local government (2020 census blocks).
| County | 2020 residents | Share |
|---|---|---|
| Will County | 41,503 | 92.7% |
| Kendall County | 3,259 | 7.3% |
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Plainfield, and is it growing?
The Census Bureau estimates that 50,043 people lived in Plainfield on July 1, 2025, up 11.5% since 2020, while Illinois shrank 0.8%. The 2020 Census counted 44,762 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 46,708 (±218).
| Measure | Plainfield | Will County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 46,708 ±218 | 701,462 | +3,598 |
| Households | 14,634 ±438 | 244,273 | +1,972 |
| Average household size | 3.17 ±0.09 | 2.84 | −0.22 |
| Housing units | 14,889 ±427 | 254,278 | +1,926 |
Plainfield's population since 2000
From 13,038 in 2000 to 50,043 in 2025: up 283.8%. The 2000, 2010 and 2020 figures are census counts, each for Plainfield as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Plainfield?
The median resident of Plainfield is 37.5 years old; 28.5% are under 18 and 9.9% are 65 or older. The largest group is non-Hispanic white residents at 66.4%, then non-Hispanic Asian residents at 10.5%. 14.7% of residents were born outside the United States.
| Measure | Plainfield | Will County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 37.5 ±0.9 | 39.1 | +1.7 |
| Under 18 years | 28.5% ±1.4 pts | 23.6% | – |
| 65 years and over | 9.9% ±1.0 pts | 14.6% | – |
| Male | 50.2% ±1.7 pts | 49.9% | – |
| Hispanic or Latino (any race) | 9.6% ±1.8 pts | 19.8% | no clear change |
| White alone, not Hispanic | 66.4% ±3.1 pts | 58.6% | −4.5 pts |
| Black or African American alone, not Hispanic | 9.0% ±2.6 pts | 11.6% | no clear change |
| Asian alone, not Hispanic | 10.5% ±1.7 pts | 6.3% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.3% ±0.2 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 3.6% ±1.0 pts | 3.4% | – |
| Some other race alone, not Hispanic | 0.5% ±0.4 pts | 0.4% | – |
| Born outside the United States | 14.7% ±2.0 pts | 13.5% | +4.6 pts |
| Speak a language other than English at home (age 5+) | 19.1% ±2.5 pts | 22.4% | – |
| Civilian veterans (age 18+) | 3.6% ±0.8 pts | 4.8% | – |
| With a disability | 8.1% ±1.1 pts | 10.0% | – |
| No health insurance coverage | 3.3% ±1.1 pts | 5.2% | no clear change |
| High school graduate or higher (age 25+) | 96.0% ±0.9 pts | 91.8% | – |
| Bachelor's degree or higher (age 25+) | 56.0% ±2.7 pts | 37.5% | no clear change |
| Graduate or professional degree (age 25+) | 20.2% ±2.3 pts | 14.9% | – |
| Lived in the same house a year earlier | 93.5% ±1.5 pts | 92.1% | – |
| Moved from another state in the past year | 0.6% ±0.4 pts | 0.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Plainfield earn?
Half of Plainfield's 14,634 households earn less than $144,000 a year (±$9,206), against $109,984 in Will County and $83,390 in Illinois. In 2015-2019 the median was $160,746 in 2024 dollars, so it fell by $16,746 after inflation. 4.2% of residents live below the poverty line.
| Measure | Plainfield | Will County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $144,000 ±$9,206 | $109,984 | −$16,746 |
| Mean household income | $169,555 ±$8,310 | $134,181 | – |
| Per capita income | $54,333 ±$2,688 | $47,516 | no clear change |
| People below the poverty line | 4.2% ±1.4 pts | 7.3% | +1.8 pts |
| Children under 18 below the poverty line | 5.4% ±3.1 pts | 9.9% | no clear change |
| Households receiving SNAP | 4.5% ±1.4 pts | 10.1% | – |
| Households with a computer | 99.0% ±0.5 pts | 97.0% | – |
| Households with a broadband subscription | 96.7% ±1.7 pts | 94.1% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Plainfield?
Owners occupy 88.0% of Plainfield's occupied homes and renters 12.0%. The median owner-occupied home is valued at $431,400 by its owner (±$8,217). The median renter pays $2,119 a month including utilities, and 31.9% of renters pay 35% or more of their income on rent.
| Measure | Plainfield | Will County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $431,400 ±$8,217 | $319,600 | +$38,193 |
| Median gross rent | $2,119 ±$188 | $1,462 | no clear change |
| Renters paying 35% or more of income on rent | 31.9% ±8.9 pts | 43.4% | −16.4 pts |
| Median monthly owner costs, with a mortgage | $2,768 ±$93 | $2,255 | – |
| Owner-occupied homes | 88.0% ±2.1 pts | 82.8% | no clear change |
| Renter-occupied homes | 12.0% ±2.1 pts | 17.2% | – |
| Housing units | 14,889 ±427 | 254,278 | +1,926 |
| Homeowner vacancy rate | 0.3% ±0.4 pts | 0.5% | – |
| Rental vacancy rate | 2.2% ±3.6 pts | 3.7% | – |
| Single-family detached homes | 79.6% ±2.4 pts | 74.4% | – |
| Mobile homes | 0.2% ±0.2 pts | 1.3% | – |
| Built 2020 or later | 4.7% ±1.3 pts | 1.2% | – |
| Built 2010 to 2019 | 10.4% ±2.1 pts | 6.3% | – |
| Built 1939 or earlier | 3.1% ±1.3 pts | 6.9% | – |
| Households with no vehicle | 2.6% ±1.1 pts | 3.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Plainfield building?
Builders took permits for 740 new housing units in Plainfield in 2025 (740 in single-family houses), 14.8 per 1,000 residents against 1.5 across Illinois.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Plainfield work and get to work?
69.1% of Plainfield's workers drive alone and 23.3% work from home. The average trip to work takes 33.3 minutes. The unemployment rate in 2020-2024 averaged 3.8%.
| Measure | Plainfield | Will County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 72.1% ±1.8 pts | 68.3% | – |
| Unemployment rate | 3.8% ±1.3 pts | 4.9% | no clear change |
| Drove alone to work | 69.1% ±2.7 pts | 72.9% | – |
| Carpooled | 4.1% ±1.2 pts | 8.0% | – |
| Public transportation | 1.6% ±0.7 pts | 2.0% | – |
| Walked | 0.4% ±0.3 pts | 0.7% | – |
| Worked from home | 23.3% ±2.5 pts | 14.7% | +15.6 pts |
| Mean travel time to work | 33.3 min ±1.2 | 31.4 min | −2.6 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Plainfield?
9 census tracts lie mostly in Plainfield, and 7 more reach into it (2020 census blocks). Their median household incomes run from $104,167 (Tract 8804.23) to $174,539 (Tract 8803.14).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 8803.14Will County | 7,258 | $174,539 |
| Tract 8803.21Will County | 5,339 | $162,917 |
| Tract 8804.21Will County | 6,498 | $142,685 |
| Tract 8804.24Will County | 4,855 | $173,880 |
| Tract 8804.22Will County | 4,570 | $131,742 |
| Tract 8803.19Will County | 4,574 | $170,191 |
| Tract 8803.20Will County | 3,482 | $156,117 |
| Tract 8804.23Will County | 3,587 | $104,167 |
| Tract 8804.11Will County | 3,507 | $116,484 |
| Tract 8803.17Will County | 6,525 | $179,423 |
| Tract 8901.05Kendall County | 8,343 | $126,940 |
| Tract 8804.17Will County | 2,324 | $111,068 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Plainfield) · Census block assignment files
How does Plainfield compare with other places in Illinois?
By the Census Bureau's July 2025 estimates, Plainfield is the 821st-most populous of the 19,476 U.S. incorporated places that have one and the 31st-most populous of 1,294 in Illinois.
Plainfield ranks 70th of 1,380 places in Illinois with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 31st | 1,294 |
| Growth 2020-2025 (PEP) | 19th | 1,347 |
| Residents per square mile | 352nd | 1,383 |
| Median household income | 70th | 1,380 |
| Per capita income | 176th | 1,383 |
| Median home value | 78th | 1,379 |
| Median gross rent | 32nd | 1,280 |
| Poverty rate | 1,014th | 1,119 |
| Bachelor's degree or higher | 100th | 1,369 |
| Median age | 1,097th | 1,383 |
| Owner-occupied share | 259th | 1,382 |
| Work from home | 101st | 1,015 |
| Travel time to work | 112th | 1,382 |
Plainfield's figures with every place in Illinois (CSV)
Every place in Illinois, sortable · Compare Plainfield with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Plainfield?
8 of the 57 figures for Plainfield on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Plainfield are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Plainfield.