Census tract · DuPage County
Census Tract 8455.10, DuPage County, Illinois
Census Tract 8455.10, GEOID 17043845510, in DuPage County, Illinois, entirely within Westmont and Downers Grove Township. 3,046 residents in the ACS 2020-2024 5-year estimates (±444); the 2020 Census counted 3,308.
Residents, 2020-2024
3,046
±444 (90% margin)
2020 Census count: 3,308
Median household income
$77,457
±$13,519 (90% margin)
DuPage County: $112,096
Median home value
$325,000
±$39,966 (90% margin)
DuPage County: $391,400
Median gross rent
$1,615
±$116 (90% margin)
DuPage County: $1,688
Where is Census Tract 8455.10?
Census Tract 8455.10 is one of 219 census tracts in DuPage County, Illinois. It covers 0.49 square miles of land, 6,724 residents per square mile in 2020. Its GEOID, 17043845510, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Westmont | 100% |
| Downers Grove Township | 100% |
5 census tracts border Census Tract 8455.10: Tract 8450 ($122,625), Tract 8455.06 ($76,607), Tract 8455.09 ($158,333), Tract 8456.01 ($123,125) and Tract 8456.02 ($105,658). 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 8455.10?
The 2020-2024 American Community Survey puts Census Tract 8455.10's population at 3,046 (±444) in 1,595 households; the 2020 Census counted 3,308 residents and 1,597 housing units.
| Measure | Tract 8455.10 | Westmont |
|---|---|---|
| Total population | 3,046±444 | 23,724 |
| Households | 1,595±197 | 10,694 |
| Average household size | 1.91±0.18 | 2.19 |
| Housing units | 1,636±169 | 11,526 |
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 8455.10?
The median resident of Census Tract 8455.10 is 38.0 years old; 18.7% are under 18 and 21.1% are 65 or older. The largest group is non-Hispanic white residents at 51.1%, then non-Hispanic Asian residents at 23.7%. 31.2% of residents were born outside the United States.
| Measure | Tract 8455.10 | Westmont |
|---|---|---|
| Median age | 38.0±5.3 | 43.2 |
| Under 18 years | 18.7%±3.2 pts | 17.9% |
| 65 years and over | 21.1%±4.4 pts | 22.3% |
| Hispanic or Latino (any race) | 10.7%±4.9 pts | 14.2% |
| White alone, not Hispanic | 51.1%±11.4 pts | 61.7% |
| Black or African American alone, not Hispanic | 11.3%±6.8 pts | 5.9% |
| Asian alone, not Hispanic | 23.7%±12.1 pts | 14.6% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±1.2 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.2 pts | 0.0% |
| Two or more races, not Hispanic | 3.2%±2.5 pts | 2.9% |
| Some other race alone, not Hispanic | 0.0%±1.2 pts | 0.6% |
| Born outside the United States | 31.2%±10.5 pts | 25.7% |
| Speak a language other than English at home (age 5+) | 37.0%±11.6 pts | 32.4% |
| Civilian veterans (age 18+) | 1.7%±1.4 pts | 3.6% |
| With a disability | 6.3%±3.5 pts | 9.8% |
| No health insurance coverage | 3.7%±3.6 pts | 6.0% |
| High school graduate or higher (age 25+) | 95.9%±3.8 pts | 95.2% |
| Bachelor's degree or higher (age 25+) | 52.8%±11.1 pts | 50.1% |
| Graduate or professional degree (age 25+) | 13.8%±5.3 pts | 21.2% |
| Lived in the same house a year earlier | 84.8%±6.8 pts | 87.9% |
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 8455.10 earn?
Half of the 1,595 households in Census Tract 8455.10 earn less than $77,457 a year (±$13,519), against $112,096 across DuPage County: 199th highest of the county's 219 tracts with a reliable estimate.
| Measure | Tract 8455.10 | Westmont |
|---|---|---|
| Median household income | $77,457±$13,519 | $88,090 |
| Mean household income | $86,901±$8,535 | $122,798 |
| Per capita income | $45,902±$5,533 | $56,592 |
| People below the poverty line | 7.6%±5.8 pts | 9.8% |
| Children under 18 below the poverty line | 12.1%±14.4 pts | 12.3% |
| Households receiving SNAP | 16.4%±8.1 pts | 12.1% |
| Households with a computer | 100.0%±2.3 pts | 96.3% |
| Households with a broadband subscription | 95.4%±3.9 pts | 92.2% |
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 8455.10?
Owners occupy 38.1% of Census Tract 8455.10's occupied homes and renters 61.9%. The median owner-occupied home is valued at $325,000 by its owner (±$39,966). The median renter pays $1,615 a month including utilities, and 40.0% of renters pay 35% or more of their income on rent.
| Measure | Tract 8455.10 | Westmont |
|---|---|---|
| Median home value (owner-occupied) | $325,000±$39,966 | $379,100 |
| Median gross rent | $1,615±$116 | $1,533 |
| Renters paying 35% or more of income on rent | 40.0%±11.7 pts | 38.6% |
| Median monthly owner costs, with a mortgage | $2,331±$377 | $2,342 |
| Owner-occupied homes | 38.1%±7.2 pts | 55.1% |
| Renter-occupied homes | 61.9%±7.2 pts | 44.9% |
| Housing units | 1,636±169 | 11,526 |
| Single-family detached homes | 18.8%±6.5 pts | 40.8% |
| Mobile homes | 0.0%±2.3 pts | 0.0% |
| Built 2020 or later | 0.0%±2.3 pts | 1.3% |
| Built 2010 to 2019 | 2.6%±3.3 pts | 2.1% |
| Built 1939 or earlier | 0.7%±1.1 pts | 5.1% |
| Households with no vehicle | 1.0%±1.2 pts | 5.9% |
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 do people in Census Tract 8455.10 get to work?
73.7% of Census Tract 8455.10's workers drive alone and 18.8% work from home. The average trip to work takes 23.3 minutes.
| Measure | Tract 8455.10 | Westmont |
|---|---|---|
| In the labor force (age 16+) | 71.3%±7.6 pts | 63.7% |
| Unemployment rate | 1.4%±1.5 pts | 4.0% |
| Drove alone to work | 73.7%±9.0 pts | 68.5% |
| Carpooled | 3.0%±2.8 pts | 4.2% |
| Public transportation | 3.9%±3.2 pts | 3.4% |
| Walked | 0.2%±0.3 pts | 0.7% |
| Worked from home | 18.8%±9.2 pts | 22.0% |
| Mean travel time to work | 23.3 min±2.1 | 26.6 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
How does Census Tract 8455.10 compare with the other tracts in DuPage County?
Among DuPage County's tracts with a reliable estimate, Census Tract 8455.10 ranks as shown below (1 = highest).
| Measure | In DuPage County | In Westmont |
|---|---|---|
| Population | 196th of 219 | 5th of 5 |
| Residents per square mile | 16th of 219 | 1st of 5 |
| Median household income | 199th of 219 | 4th of 5 |
| Per capita income | 166th of 219 | 5th of 5 |
| Median home value | 160th of 219 | 4th of 5 |
| Median gross rent | 125th of 195 | 3rd of 4 |
| Bachelor's degree or higher | 105th of 219 | 2nd of 5 |
| Median age | 148th of 219 | 5th of 5 |
| Owner-occupied share | 211th of 219 | 5th of 5 |
The tracts next to it on DuPage County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 8407.03 | 196th | $77,927±$9,276 · within the margin of this tract |
| Tract 8458.10 | 197th | $77,645±$8,472 · within the margin of this tract |
| Tract 8413.12 | 198th | $77,621±$27,218 · within the margin of this tract |
| Tract 8455.10 | 199th | $77,457±$13,519 |
| Tract 8463.08 | 200th | $77,454±$18,284 · within the margin of this tract |
| Tract 8463.12 | 201st | $77,385±$9,339 · within the margin of this tract |
| Tract 8455.06 | 202nd | $76,607±$10,163 · 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 8455.10?
1 of the 18 figures for Census Tract 8455.10 on this page carries a coefficient of variation over 40% and is 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