Census tract · Madison County
Census Tract 4035.33, Madison County, Illinois
Census Tract 4035.33, GEOID 17119403533, in Madison County, Illinois, mostly within Collinsville Township (80% of its census blocks). 11,109 residents in the ACS 2020-2024 5-year estimates (±845); the 2020 Census counted 10,554.
Residents, 2020-2024
11,109
±845 (90% margin)
2020 Census count: 10,554
Median household income
$106,981
±$10,850 (90% margin)
Madison County: $75,793
Median home value
$243,500
±$16,719 (90% margin)
Madison County: $173,000
Median gross rent
$1,286
±$112 (90% margin)
Madison County: $1,024
Where is Census Tract 4035.33?
Census Tract 4035.33 is one of 63 census tracts in Madison County, Illinois. It covers 9.22 square miles of land, 1,144 residents per square mile in 2020. Its GEOID, 17119403533, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Collinsville Township | 80% |
| Maryville | 47% |
| Jarvis Township | 20% |
| Troy | 16% |
| Glen Carbon | 4% |
7 census tracts border Census Tract 4035.33: Tract 4031.21 ($89,777), Tract 4031.22 ($131,346), Tract 4035.02 ($82,909), Tract 4035.31 ($92,941), Tract 4035.32 ($137,269), Tract 4035.34 ($91,250) and Tract 4037.01 ($135,774). 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 4035.33?
The 2020-2024 American Community Survey puts Census Tract 4035.33's population at 11,109 (±845) in 4,518 households; the 2020 Census counted 10,554 residents and 4,516 housing units.
| Measure | Tract 4035.33 | Collinsville Township |
|---|---|---|
| Total population | 11,109 ±845 | 35,410 |
| Households | 4,518 ±366 | 15,722 |
| Average household size | 2.41 ±0.15 | 2.23 |
| Housing units | 4,581 ±358 | 16,436 |
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 4035.33?
The median resident of Census Tract 4035.33 is 40.9 years old; 20.7% are under 18 and 21.5% are 65 or older. The largest group is non-Hispanic white residents at 85.8%, then non-Hispanic residents of two or more races at 6.7%. 2.4% of residents were born outside the United States.
| Measure | Tract 4035.33 | Collinsville Township |
|---|---|---|
| Median age | 40.9 ±4.6 | 42.8 |
| Under 18 years | 20.7% ±3.6 pts | 18.3% |
| 65 years and over | 21.5% ±3.1 pts | 20.4% |
| Hispanic or Latino (any race) | 1.8% ±1.7 pts | 5.8% |
| White alone, not Hispanic | 85.8% ±4.8 pts | 77.0% |
| Black or African American alone, not Hispanic | 4.5% ±3.0 pts | 11.3% |
| Asian alone, not Hispanic | 1.2% ±0.8 pts | 1.0% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.3 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.3 pts | 0.0% |
| Two or more races, not Hispanic | 6.7% ±3.5 pts | 4.9% |
| Some other race alone, not Hispanic | 0.0% ±0.3 pts | 0.0% |
| Born outside the United States | 2.4% ±1.3 pts | 3.0% |
| Speak a language other than English at home (age 5+) | 1.8% ±1.1 pts | 4.9% |
| Civilian veterans (age 18+) | 10.9% ±3.1 pts | 9.1% |
| With a disability | 12.6% ±3.3 pts | 14.9% |
| No health insurance coverage | 4.1% ±2.5 pts | 4.8% |
| High school graduate or higher (age 25+) | 96.9% ±1.6 pts | 94.7% |
| Bachelor's degree or higher (age 25+) | 42.3% ±6.7 pts | 35.1% |
| Graduate or professional degree (age 25+) | 11.9% ±3.4 pts | 11.7% |
| Lived in the same house a year earlier | 88.3% ±5.6 pts | 89.3% |
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 4035.33 earn?
Half of the 4,518 households in Census Tract 4035.33 earn less than $106,981 a year (±$10,850), against $75,793 across Madison County: 7th highest of the county's 63 tracts with a reliable estimate.
| Measure | Tract 4035.33 | Collinsville Township |
|---|---|---|
| Median household income | $106,981 ±$10,850 | $77,785 |
| Mean household income | $108,937 ±$7,718 | $96,206 |
| Per capita income | $45,325 ±$3,659 | $43,599 |
| People below the poverty line | 4.1% ±3.9 pts | 9.8% |
| Children under 18 below the poverty line | 8.0% ±11.4 pts | 15.8% |
| Households receiving SNAP | 2.7% ±2.1 pts | 11.7% |
| Households with a computer | 97.7% ±1.9 pts | 97.0% |
| Households with a broadband subscription | 94.6% ±4.0 pts | 93.2% |
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 4035.33?
Owners occupy 81.6% of Census Tract 4035.33's occupied homes and renters 18.4%. The median owner-occupied home is valued at $243,500 by its owner (±$16,719). The median renter pays $1,286 a month including utilities, and 17.7% of renters pay 35% or more of their income on rent.
| Measure | Tract 4035.33 | Collinsville Township |
|---|---|---|
| Median home value (owner-occupied) | $243,500 ±$16,719 | $192,500 |
| Median gross rent | $1,286 ±$112 | $1,072 |
| Renters paying 35% or more of income on rent | 17.7% ±10.6 pts | 31.9% |
| Median monthly owner costs, with a mortgage | $1,661 ±$218 | $1,481 |
| Owner-occupied homes | 81.6% ±4.1 pts | 72.7% |
| Renter-occupied homes | 18.4% ±4.1 pts | 27.3% |
| Housing units | 4,581 ±358 | 16,436 |
| Single-family detached homes | 75.5% ±4.7 pts | 71.7% |
| Mobile homes | 0.0% ±0.8 pts | 2.6% |
| Built 2020 or later | 0.0% ±0.8 pts | 0.3% |
| Built 2010 to 2019 | 13.8% ±4.4 pts | 5.3% |
| Built 1939 or earlier | 2.6% ±2.6 pts | 12.5% |
| Households with no vehicle | 0.5% ±0.8 pts | 4.4% |
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 4035.33 get to work?
74.8% of Census Tract 4035.33's workers drive alone and 20.9% work from home. The average trip to work takes 26.6 minutes.
| Measure | Tract 4035.33 | Collinsville Township |
|---|---|---|
| In the labor force (age 16+) | 66.1% ±3.2 pts | 64.4% |
| Unemployment rate | 4.8% ±3.4 pts | 4.7% |
| Drove alone to work | 74.8% ±6.7 pts | 73.9% |
| Carpooled | 4.3% ±3.9 pts | 9.2% |
| Public transportation | 0.0% ±0.7 pts | 0.2% |
| Walked | 0.0% ±0.7 pts | 0.7% |
| Worked from home | 20.9% ±6.2 pts | 15.3% |
| Mean travel time to work | 26.6 min ±3.7 | 26.3 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 4035.33 compare with the other tracts in Madison County?
Among Madison County's tracts with a reliable estimate, Census Tract 4035.33 ranks as shown below (1 = highest).
| Measure | In Madison County |
|---|---|
| Population | 1st of 63 |
| Residents per square mile | 35th of 63 |
| Median household income | 7th of 63 |
| Per capita income | 19th of 63 |
| Median home value | 14th of 63 |
| Median gross rent | 9th of 62 |
| Bachelor's degree or higher | 11th of 61 |
| Median age | 27th of 63 |
| Owner-occupied share | 18th of 63 |
The tracts next to it on Madison County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 4031.22 | 4th | $131,346±$25,306 · within the margin of this tract |
| Tract 4028.03 | 5th | $119,063±$40,146 · within the margin of this tract |
| Tract 4030.02 | 6th | $112,222±$19,179 · within the margin of this tract |
| Tract 4035.33 | 7th | $106,981±$10,850 |
| Tract 4028.01 | 8th | $105,938±$11,676 · within the margin of this tract |
| Tract 4027.22 | 9th | $105,821±$13,797 · within the margin of this tract |
| Tract 4038.01 | 10th | $105,288±$19,622 · 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 4035.33?
4 of the 18 figures for Census Tract 4035.33 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