Census tract · Cook County
Census Tract 7704, Cook County, Illinois
Census Tract 7704, GEOID 17031770400, in Cook County, Illinois, entirely within Elk Grove Township. 4,625 residents in the ACS 2020-2024 5-year estimates (±706); the 2020 Census counted 4,375.
Residents, 2020-2024
4,625
±706 (90% margin)
2020 Census count: 4,375
Median household income
$85,745
±$11,138 (90% margin)
Cook County: $83,498
Median home value
$318,200
±$17,748 (90% margin)
Cook County: $324,500
Median gross rent
$1,346
±$97 (90% margin)
Cook County: $1,435
Where is Census Tract 7704?
Census Tract 7704 is one of 1,332 census tracts in Cook County, Illinois. It covers 2.00 square miles of land, 2,190 residents per square mile in 2020. Its GEOID, 17031770400, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Elk Grove Township | 100% |
| Elk Grove Village | 93% |
| Arlington Heights | 1% |
| Mount Prospect | 1% |
3 census tracts border Census Tract 7704: Tract 7703 ($76,782), Tract 7705 ($75,096) and Tract 8051.07 ($76,313). 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 7704?
The 2020-2024 American Community Survey puts Census Tract 7704's population at 4,625 (±706) in 1,738 households; the 2020 Census counted 4,375 residents and 1,825 housing units.
| Measure | Tract 7704 | Elk Grove Township |
|---|---|---|
| Total population | 4,625±706 | 93,245 |
| Households | 1,738±165 | 38,076 |
| Average household size | 2.66±0.24 | 2.44 |
| Housing units | 1,738±165 | 40,183 |
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 7704?
The median resident of Census Tract 7704 is 41.2 years old; 22.6% are under 18 and 14.2% are 65 or older. The largest group is non-Hispanic white residents at 63.3%, then Hispanic or Latino residents (of any race) at 25.6%. 30.0% of residents were born outside the United States.
| Measure | Tract 7704 | Elk Grove Township |
|---|---|---|
| Median age | 41.2±5.3 | 40.3 |
| Under 18 years | 22.6%±3.8 pts | 21.8% |
| 65 years and over | 14.2%±3.2 pts | 17.0% |
| Hispanic or Latino (any race) | 25.6%±9.1 pts | 24.1% |
| White alone, not Hispanic | 63.3%±9.4 pts | 57.0% |
| Black or African American alone, not Hispanic | 3.4%±3.1 pts | 3.1% |
| Asian alone, not Hispanic | 6.2%±1.5 pts | 12.5% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.8 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.8 pts | 0.0% |
| Two or more races, not Hispanic | 1.5%±1.0 pts | 2.7% |
| Some other race alone, not Hispanic | 0.0%±0.8 pts | 0.4% |
| Born outside the United States | 30.0%±6.6 pts | 32.5% |
| Speak a language other than English at home (age 5+) | 46.4%±11.6 pts | 48.4% |
| Civilian veterans (age 18+) | 1.4%±0.9 pts | 3.3% |
| With a disability | 7.7%±3.2 pts | 9.6% |
| No health insurance coverage | 13.8%±8.4 pts | 12.2% |
| High school graduate or higher (age 25+) | 81.6%±7.6 pts | 89.6% |
| Bachelor's degree or higher (age 25+) | 27.0%±6.1 pts | 41.8% |
| Graduate or professional degree (age 25+) | 9.7%±3.5 pts | 14.3% |
| Lived in the same house a year earlier | 94.2%±3.9 pts | 90.1% |
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 7704 earn?
Half of the 1,738 households in Census Tract 7704 earn less than $85,745 a year (±$11,138), against $83,498 across Cook County: 568th highest of the county's 1,258 tracts with a reliable estimate. 9.4% of residents live below the poverty line.
| Measure | Tract 7704 | Elk Grove Township |
|---|---|---|
| Median household income | $85,745±$11,138 | $88,801 |
| Mean household income | $92,691±$9,791 | $108,391 |
| Per capita income | $34,485±$3,189 | $44,166 |
| People below the poverty line | 9.4%±5.9 pts | 8.1% |
| Children under 18 below the poverty line | 14.1%±12.4 pts | 8.9% |
| Households receiving SNAP | 11.6%±4.2 pts | 8.8% |
| Households with a computer | 97.2%±2.1 pts | 96.1% |
| Households with a broadband subscription | 96.4%±2.9 pts | 93.7% |
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 7704?
Owners occupy 66.1% of Census Tract 7704's occupied homes and renters 33.9%. The median owner-occupied home is valued at $318,200 by its owner (±$17,748). The median renter pays $1,346 a month including utilities, and 28.9% of renters pay 35% or more of their income on rent.
| Measure | Tract 7704 | Elk Grove Township |
|---|---|---|
| Median home value (owner-occupied) | $318,200±$17,748 | $344,200 |
| Median gross rent | $1,346±$97 | $1,559 |
| Renters paying 35% or more of income on rent | 28.9%±14.1 pts | 36.8% |
| Median monthly owner costs, with a mortgage | $1,951±$201 | $2,180 |
| Owner-occupied homes | 66.1%±6.8 pts | 62.5% |
| Renter-occupied homes | 33.9%±6.8 pts | 37.5% |
| Housing units | 1,738±165 | 40,183 |
| Single-family detached homes | 54.4%±7.1 pts | 44.5% |
| Mobile homes | 0.0%±2.1 pts | 3.4% |
| Built 2020 or later | 0.7%±1.0 pts | 0.3% |
| Built 2010 to 2019 | 2.4%±2.6 pts | 2.5% |
| Built 1939 or earlier | 0.3%±0.6 pts | 2.8% |
| Households with no vehicle | 3.4%±2.4 pts | 6.2% |
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 7704 get to work?
81.6% of Census Tract 7704's workers drive alone and 5.7% work from home. The average trip to work takes 19.7 minutes.
| Measure | Tract 7704 | Elk Grove Township |
|---|---|---|
| In the labor force (age 16+) | 74.8%±5.4 pts | 67.8% |
| Unemployment rate | 4.9%±4.3 pts | 3.9% |
| Drove alone to work | 81.6%±5.6 pts | 70.6% |
| Carpooled | 11.1%±4.6 pts | 8.8% |
| Public transportation | 0.7%±0.8 pts | 2.4% |
| Walked | 0.0%±1.5 pts | 1.1% |
| Worked from home | 5.7%±3.2 pts | 15.7% |
| Mean travel time to work | 19.7 min±2.0 | 25.1 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 7704 compare with the other tracts in Cook County?
Among Cook County's tracts with a reliable estimate, Census Tract 7704 ranks as shown below (1 = highest).
| Measure | In Cook County |
|---|---|
| Population | 425th of 1,328 |
| Residents per square mile | 1,241st of 1,331 |
| Median household income | 568th of 1,258 |
| Per capita income | 791st of 1,325 |
| Median home value | 636th of 1,279 |
| Median gross rent | 696th of 1,254 |
| Poverty rate | 659th of 905 |
| Bachelor's degree or higher | 838th of 1,264 |
| Median age | 445th of 1,327 |
| Owner-occupied share | 525th of 1,300 |
The tracts next to it on Cook County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 2838 | 565th | $85,972±$23,956 · within the margin of this tract |
| Tract 8030.12 | 566th | $85,865±$21,177 · within the margin of this tract |
| Tract 8073 | 567th | $85,777±$9,301 · within the margin of this tract |
| Tract 7704 | 568th | $85,745±$11,138 |
| Tract 8083.01 | 569th | $85,556±$33,140 · within the margin of this tract |
| Tract 8168 | 570th | $85,521±$14,728 · within the margin of this tract |
| Tract 7706.01 | 571st | $85,491±$19,659 · 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 7704?
1 of the 18 figures for Census Tract 7704 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