Census tract · Will County
Census Tract 8804.31, Will County, Illinois
Census Tract 8804.31, GEOID 17197880431, in Will County, Illinois, entirely within Plainfield Township. 6,576 residents in the ACS 2020-2024 5-year estimates (±779); the 2020 Census counted 6,262.
Residents, 2020-2024
6,576
±779 (90% margin)
2020 Census count: 6,262
Median household income
$128,929
±$16,189 (90% margin)
Will County: $109,984
Median home value
$294,000
±$21,180 (90% margin)
Will County: $319,600
Median gross rent
$2,294
±$190 (90% margin)
Will County: $1,462
Where is Census Tract 8804.31?
Census Tract 8804.31 is one of 172 census tracts in Will County, Illinois. It covers 0.87 square miles of land, 7,239 residents per square mile in 2020. Its GEOID, 17197880431, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Plainfield Township | 100% |
| Joliet | 93% |
| Plainfield | 2% |
4 census tracts border Census Tract 8804.31: Tract 8907.02 in Kendall County ($139,750), Tract 8804.21 ($142,685), Tract 8804.30 ($150,179) and Tract 8804.32 ($119,595). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 8804.31?
The 2020-2024 American Community Survey puts Census Tract 8804.31's population at 6,576 (±779) in 1,898 households; the 2020 Census counted 6,262 residents and 1,799 housing units.
| Measure | Tract 8804.31 | Plainfield Township |
|---|---|---|
| Total population | 6,576 ±779 | 83,145 |
| Households | 1,898 ±232 | 25,820 |
| Average household size | 3.46 ±0.19 | 3.21 |
| Housing units | 1,930 ±228 | 26,313 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 8804.31?
The median resident of Census Tract 8804.31 is 35.5 years old; 24.9% are under 18 and 6.2% are 65 or older. The largest group is non-Hispanic white residents at 65.6%, then Hispanic or Latino residents (of any race) at 20.1%. 4.2% of residents were born outside the United States.
| Measure | Tract 8804.31 | Plainfield Township |
|---|---|---|
| Median age | 35.5 ±3.3 | 35.4 |
| Under 18 years | 24.9% ±4.2 pts | 26.2% |
| 65 years and over | 6.2% ±2.9 pts | 9.5% |
| Hispanic or Latino (any race) | 20.1% ±6.9 pts | 21.0% |
| White alone, not Hispanic | 65.6% ±8.6 pts | 59.9% |
| Black or African American alone, not Hispanic | 12.0% ±7.0 pts | 10.7% |
| Asian alone, not Hispanic | 1.3% ±1.7 pts | 4.8% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.6 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.6 pts | 0.0% |
| Two or more races, not Hispanic | 0.6% ±1.0 pts | 3.2% |
| Some other race alone, not Hispanic | 0.3% ±0.6 pts | 0.4% |
| Born outside the United States | 4.2% ±2.2 pts | 13.4% |
| Speak a language other than English at home (age 5+) | 8.0% ±3.5 pts | 22.1% |
| Civilian veterans (age 18+) | 6.5% ±3.2 pts | 4.1% |
| With a disability | 12.0% ±4.1 pts | 9.2% |
| No health insurance coverage | 3.0% ±1.7 pts | 4.0% |
| High school graduate or higher (age 25+) | 94.7% ±2.3 pts | 94.0% |
| Bachelor's degree or higher (age 25+) | 33.6% ±7.8 pts | 39.2% |
| Graduate or professional degree (age 25+) | 12.1% ±5.2 pts | 14.2% |
| Lived in the same house a year earlier | 92.1% ±4.3 pts | 92.1% |
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 Census Tract 8804.31 earn?
Half of the 1,898 households in Census Tract 8804.31 earn less than $128,929 a year (±$16,189), against $109,984 across Will County: 52nd highest of the county's 169 tracts with a reliable estimate.
| Measure | Tract 8804.31 | Plainfield Township |
|---|---|---|
| Median household income | $128,929 ±$16,189 | $127,061 |
| Mean household income | $135,860 ±$17,251 | $141,254 |
| Per capita income | $39,984 ±$4,925 | $44,718 |
| People below the poverty line | 8.7% ±6.1 pts | 4.7% |
| Children under 18 below the poverty line | 4.9% ±6.1 pts | 6.8% |
| Households receiving SNAP | 10.6% ±5.2 pts | 8.5% |
| Households with a computer | 100.0% ±2.0 pts | 98.4% |
| Households with a broadband subscription | 98.4% ±2.2 pts | 96.5% |
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 Census Tract 8804.31?
Owners occupy 94.9% of Census Tract 8804.31's occupied homes and renters 5.1%. The median owner-occupied home is valued at $294,000 by its owner (±$21,180). The median renter pays $2,294 a month including utilities.
| Measure | Tract 8804.31 | Plainfield Township |
|---|---|---|
| Median home value (owner-occupied) | $294,000 ±$21,180 | $321,600 |
| Median gross rent | $2,294 ±$190 | $2,105 |
| Renters paying 35% or more of income on rent | 43.8% ±31.0 pts | 33.8% |
| Median monthly owner costs, with a mortgage | $2,102 ±$115 | $2,194 |
| Owner-occupied homes | 94.9% ±3.5 pts | 89.2% |
| Renter-occupied homes | 5.1% ±3.5 pts | 10.8% |
| Housing units | 1,930 ±228 | 26,313 |
| Single-family detached homes | 85.0% ±7.5 pts | 81.2% |
| Mobile homes | 0.0% ±1.9 pts | 0.3% |
| Built 2020 or later | 0.0% ±1.9 pts | 1.9% |
| Built 2010 to 2019 | 1.1% ±1.5 pts | 6.0% |
| Built 1939 or earlier | 3.8% ±5.9 pts | 2.5% |
| Households with no vehicle | 0.6% ±1.1 pts | 2.3% |
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 do people in Census Tract 8804.31 get to work?
81.9% of Census Tract 8804.31's workers drive alone and 9.8% work from home. The average trip to work takes 33.4 minutes. The unemployment rate in 2020-2024 averaged 8.0%.
| Measure | Tract 8804.31 | Plainfield Township |
|---|---|---|
| In the labor force (age 16+) | 69.8% ±7.4 pts | 74.4% |
| Unemployment rate | 8.0% ±3.8 pts | 5.0% |
| Drove alone to work | 81.9% ±6.5 pts | 76.1% |
| Carpooled | 3.9% ±3.0 pts | 6.7% |
| Public transportation | 0.3% ±0.5 pts | 1.1% |
| Walked | 0.0% ±1.1 pts | 0.3% |
| Worked from home | 9.8% ±4.7 pts | 14.8% |
| Mean travel time to work | 33.4 min ±2.6 | 32.4 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
How does Census Tract 8804.31 compare with the other tracts in Will County?
Among Will County's tracts with a reliable estimate, Census Tract 8804.31 ranks as shown below (1 = highest).
| Measure | In Will County |
|---|---|
| Population | 14th of 171 |
| Residents per square mile | 7th of 172 |
| Median household income | 52nd of 169 |
| Per capita income | 109th of 170 |
| Median home value | 85th of 169 |
| Median gross rent | 16th of 137 |
| Bachelor's degree or higher | 77th of 171 |
| Median age | 130th of 171 |
| Owner-occupied share | 36th of 169 |
The tracts next to it on Will County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 8810.11 | 49th | $130,350±$24,725 · within the margin of this tract |
| Tract 8810.01 | 50th | $129,811±$23,342 · within the margin of this tract |
| Tract 8803.26 | 51st | $128,983±$19,139 · within the margin of this tract |
| Tract 8804.31 | 52nd | $128,929±$16,189 |
| Tract 8804.25 | 53rd | $128,429±$15,842 · within the margin of this tract |
| Tract 8805.08 | 54th | $126,557±$16,740 · within the margin of this tract |
| Tract 8804.26 | 55th | $125,865±$26,455 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 8804.31?
2 of the 18 figures for Census Tract 8804.31 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.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). 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 · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections