Census tract · Cook County
Census Tract 8045.12, Cook County, Illinois
Census Tract 8045.12, GEOID 17031804512, in Cook County, Illinois, entirely within Hanover Township, Cook County. 3,739 residents in the ACS 2020-2024 5-year estimates (±497); the 2020 Census counted 3,995.
Residents, 2020-2024
3,739
±497 (90% margin)
2020 Census count: 3,995
Median household income
$156,106
±$15,038 (90% margin)
Cook County: $83,498
Median home value
$331,400
±$27,447 (90% margin)
Cook County: $324,500
Median gross rent
$2,085
±$1,363 (90% margin)
Cook County: $1,435
Where is Census Tract 8045.12?
Census Tract 8045.12 is one of 1,332 census tracts in Cook County, Illinois. It covers 1.44 square miles of land, 2,784 residents per square mile in 2020. Its GEOID, 17031804512, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Hanover Township, Cook County | 100% |
| Streamwood | 31% |
| Elgin | 22% |
| Bartlett | 11% |
6 census tracts border Census Tract 8045.12: Tract 8043.14 ($101,635), Tract 8043.16 ($116,835), Tract 8044.05 ($76,906), Tract 8044.06 ($75,305), Tract 8045.06 ($128,170) and Tract 8045.13 ($123,385). 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 8045.12?
The 2020-2024 American Community Survey puts Census Tract 8045.12's population at 3,739 (±497) in 1,359 households; the 2020 Census counted 3,995 residents and 1,547 housing units.
| Measure | Tract 8045.12 | Hanover Township, Cook County |
|---|---|---|
| Total population | 3,739±497 | 97,865 |
| Households | 1,359±175 | 32,931 |
| Average household size | 2.74±0.26 | 2.96 |
| Housing units | 1,393±163 | 34,058 |
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 8045.12?
The median resident of Census Tract 8045.12 is 42.7 years old; 18.5% are under 18 and 14.6% are 65 or older. The largest group is non-Hispanic white residents at 43.2%, then non-Hispanic Asian residents at 32.8%. 39.9% of residents were born outside the United States.
| Measure | Tract 8045.12 | Hanover Township, Cook County |
|---|---|---|
| Median age | 42.7±4.6 | 38.0 |
| Under 18 years | 18.5%±4.2 pts | 24.1% |
| 65 years and over | 14.6%±4.3 pts | 14.1% |
| Hispanic or Latino (any race) | 16.3%±5.5 pts | 41.2% |
| White alone, not Hispanic | 43.2%±7.0 pts | 34.7% |
| Black or African American alone, not Hispanic | 5.8%±4.8 pts | 5.3% |
| Asian alone, not Hispanic | 32.8%±4.9 pts | 15.2% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±1.0 pts | 0.4% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.0 pts | 0.0% |
| Two or more races, not Hispanic | 1.8%±1.7 pts | 2.9% |
| Some other race alone, not Hispanic | 0.0%±1.0 pts | 0.3% |
| Born outside the United States | 39.9%±6.1 pts | 34.7% |
| Speak a language other than English at home (age 5+) | 51.0%±8.9 pts | 55.3% |
| Civilian veterans (age 18+) | 2.9%±2.2 pts | 3.1% |
| With a disability | 8.6%±3.8 pts | 9.3% |
| No health insurance coverage | 4.5%±3.8 pts | 11.6% |
| High school graduate or higher (age 25+) | 93.7%±2.9 pts | 84.6% |
| Bachelor's degree or higher (age 25+) | 50.0%±10.5 pts | 31.4% |
| Graduate or professional degree (age 25+) | 14.2%±5.7 pts | 10.8% |
| Lived in the same house a year earlier | 94.1%±4.6 pts | 92.7% |
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 8045.12 earn?
Half of the 1,359 households in Census Tract 8045.12 earn less than $156,106 a year (±$15,038), against $83,498 across Cook County: 100th highest of the county's 1,258 tracts with a reliable estimate.
| Measure | Tract 8045.12 | Hanover Township, Cook County |
|---|---|---|
| Median household income | $156,106±$15,038 | $99,697 |
| Mean household income | $164,954±$31,313 | $117,829 |
| Per capita income | $60,752±$13,032 | $39,685 |
| People below the poverty line | 4.2%±3.5 pts | 9.9% |
| Children under 18 below the poverty line | 3.8%±6.2 pts | 12.5% |
| Households receiving SNAP | 8.8%±6.4 pts | 10.8% |
| Households with a computer | 99.4%±1.0 pts | 96.9% |
| Households with a broadband subscription | 94.3%±6.5 pts | 93.8% |
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 8045.12?
Owners occupy 95.0% of Census Tract 8045.12's occupied homes and renters 5.0%. The median owner-occupied home is valued at $331,400 by its owner (±$27,447). The median renter pays $2,085 a month including utilities.
| Measure | Tract 8045.12 | Hanover Township, Cook County |
|---|---|---|
| Median home value (owner-occupied) | $331,400±$27,447 | $285,300 |
| Median gross rent | $2,085±$1,363 | $1,598 |
| Renters paying 35% or more of income on rent | 0.0%±42.6 pts | 36.4% |
| Median monthly owner costs, with a mortgage | $1,962±$139 | $1,974 |
| Owner-occupied homes | 95.0%±4.1 pts | 79.0% |
| Renter-occupied homes | 5.0%±4.1 pts | 21.0% |
| Housing units | 1,393±163 | 34,058 |
| Single-family detached homes | 32.0%±9.2 pts | 58.3% |
| Mobile homes | 0.0%±2.7 pts | 2.7% |
| Built 2020 or later | 0.6%±0.9 pts | 0.3% |
| Built 2010 to 2019 | 7.5%±4.1 pts | 2.3% |
| Built 1939 or earlier | 1.9%±3.1 pts | 2.5% |
| Households with no vehicle | 2.7%±2.4 pts | 5.5% |
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 8045.12 get to work?
73.0% of Census Tract 8045.12's workers drive alone and 17.6% work from home. The average trip to work takes 34.4 minutes.
| Measure | Tract 8045.12 | Hanover Township, Cook County |
|---|---|---|
| In the labor force (age 16+) | 72.7%±6.0 pts | 68.7% |
| Unemployment rate | 1.4%±1.3 pts | 4.0% |
| Drove alone to work | 73.0%±8.6 pts | 71.8% |
| Carpooled | 9.4%±5.1 pts | 10.5% |
| Public transportation | 0.0%±1.7 pts | 1.5% |
| Walked | 0.0%±0.3 pts | 0.8% |
| Worked from home | 17.6%±7.9 pts | 14.6% |
| Mean travel time to work | 34.4 min±9.3 | 29.6 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 8045.12 compare with the other tracts in Cook County?
Among Cook County's tracts with a reliable estimate, Census Tract 8045.12 ranks as shown below (1 = highest).
| Measure | In Cook County |
|---|---|
| Population | 679th of 1,328 |
| Residents per square mile | 1,198th of 1,331 |
| Median household income | 100th of 1,258 |
| Per capita income | 323rd of 1,325 |
| Median home value | 596th of 1,279 |
| Median gross rent | 158th of 1,254 |
| Bachelor's degree or higher | 438th of 1,264 |
| Median age | 334th of 1,327 |
| Owner-occupied share | 43rd of 1,300 |
The tracts next to it on Cook County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 2435 | 97th | $157,283±$36,440 · within the margin of this tract |
| Tract 8240.06 | 98th | $157,158±$29,658 · within the margin of this tract |
| Tract 703 | 99th | $156,898±$67,260 · within the margin of this tract |
| Tract 8045.12 | 100th | $156,106±$15,038 |
| Tract 8016.07 | 101st | $155,714±$32,949 · within the margin of this tract |
| Tract 8320 | 102nd | $155,000±$16,532 · within the margin of this tract |
| Tract 812.02 | 103rd | $154,569±$69,448 · 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 8045.12?
2 of the 18 figures for Census Tract 8045.12 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