Census tract · Cook County
Census Tract 6121, Cook County, Illinois
Census Tract 6121, GEOID 17031612100, in Cook County, Illinois, entirely within Chicago. 961 residents in the ACS 2020-2024 5-year estimates (±208); the 2020 Census counted 1,168.
Residents, 2020-2024
961
±208 (90% margin)
2020 Census count: 1,168
Median household income
$26,250
±$20,486 (90% margin)
Cook County: $83,498
Median home value
$221,400
±$83,637 (90% margin)
Cook County: $324,500
Median gross rent
$1,042
±$131 (90% margin)
Cook County: $1,435
Where is Census Tract 6121?
Census Tract 6121 is one of 1,332 census tracts in Cook County, Illinois. It covers 0.13 square miles of land, 9,270 residents per square mile in 2020. Its GEOID, 17031612100, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Chicago | 100% |
4 census tracts border Census Tract 6121: Tract 6120 ($56,667), Tract 6122 ($60,256), Tract 8347 ($40,952) and Tract 8438. 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 6121?
The 2020-2024 American Community Survey puts Census Tract 6121's population at 961 (±208) in 398 households; the 2020 Census counted 1,168 residents and 558 housing units.
| Measure | Tract 6121 | Chicago |
|---|---|---|
| Total population | 961±208 | 2,711,226 |
| Households | 398±79 | 1,160,205 |
| Average household size | 2.39±0.39 | 2.29 |
| Housing units | 493±62 | 1,277,054 |
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 6121?
The median resident of Census Tract 6121 is 36.7 years old; 24.3% are under 18 and 20.9% are 65 or older. The largest group is non-Hispanic Black residents at 61.6%, then Hispanic or Latino residents (of any race) at 35.5%. 8.5% of residents were born outside the United States.
| Measure | Tract 6121 | Chicago |
|---|---|---|
| Median age | 36.7±8.5 | 35.8 |
| Under 18 years | 24.3%±10.2 pts | 19.4% |
| 65 years and over | 20.9%±8.9 pts | 13.8% |
| Hispanic or Latino (any race) | 35.5%±16.9 pts | 29.7% |
| White alone, not Hispanic | 2.9%±3.0 pts | 32.1% |
| Black or African American alone, not Hispanic | 61.6%±17.7 pts | 27.4% |
| Asian alone, not Hispanic | 0.0%±3.8 pts | 7.2% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±3.8 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±3.8 pts | 0.0% |
| Two or more races, not Hispanic | 0.0%±3.8 pts | 3.0% |
| Some other race alone, not Hispanic | 0.0%±3.8 pts | 0.4% |
| Born outside the United States | 8.5%±5.2 pts | 20.9% |
| Speak a language other than English at home (age 5+) | 34.2%±13.6 pts | 35.4% |
| Civilian veterans (age 18+) | 2.2%±2.5 pts | 2.8% |
| With a disability | 18.6%±8.1 pts | 12.1% |
| No health insurance coverage | 9.2%±5.6 pts | 9.8% |
| High school graduate or higher (age 25+) | 86.2%±8.2 pts | 87.2% |
| Bachelor's degree or higher (age 25+) | 18.4%±9.8 pts | 44.3% |
| Graduate or professional degree (age 25+) | 9.1%±8.6 pts | 19.0% |
| Lived in the same house a year earlier | 78.5%±18.2 pts | 86.0% |
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 6121 earn?
The median household income for Census Tract 6121 is published as $26,250 with a margin of ±$20,486, too wide to rely on. 24.3% of residents live below the poverty line.
| Measure | Tract 6121 | Chicago |
|---|---|---|
| Median household income | $26,250±$20,486 | $77,902 |
| Mean household income | $43,646±$8,958 | $116,016 |
| Per capita income | $18,667±$3,143 | $50,086 |
| People below the poverty line | 24.3%±9.0 pts | 16.8% |
| Children under 18 below the poverty line | 0.0%±14.8 pts | 23.6% |
| Households receiving SNAP | 39.7%±20.1 pts | 18.9% |
| Households with a computer | 70.4%±20.3 pts | 94.9% |
| Households with a broadband subscription | 64.3%±17.4 pts | 89.1% |
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 6121?
Owners occupy 21.1% of Census Tract 6121's occupied homes and renters 78.9%. The median owner-occupied home is valued at $221,400 by its owner (±$83,637). The median renter pays $1,042 a month including utilities, and 60.5% of renters pay 35% or more of their income on rent.
| Measure | Tract 6121 | Chicago |
|---|---|---|
| Median home value (owner-occupied) | $221,400±$83,637 | $334,100 |
| Median gross rent | $1,042±$131 | $1,440 |
| Renters paying 35% or more of income on rent | 60.5%±20.0 pts | 39.3% |
| Median monthly owner costs, with a mortgage | $1,614±$134 | $2,339 |
| Owner-occupied homes | 21.1%±10.6 pts | 46.0% |
| Renter-occupied homes | 78.9%±10.6 pts | 54.0% |
| Housing units | 493±62 | 1,277,054 |
| Single-family detached homes | 39.1%±12.1 pts | 25.6% |
| Mobile homes | 0.0%±7.3 pts | 0.2% |
| Built 2020 or later | 0.0%±7.3 pts | 0.8% |
| Built 2010 to 2019 | 9.1%±9.6 pts | 5.5% |
| Built 1939 or earlier | 53.1%±16.1 pts | 38.8% |
| Households with no vehicle | 31.7%±18.7 pts | 26.6% |
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 6121 get to work?
53.7% of Census Tract 6121's workers drive alone. The average trip to work takes 32.3 minutes. The unemployment rate in 2020-2024 averaged 18.1%.
| Measure | Tract 6121 | Chicago |
|---|---|---|
| In the labor force (age 16+) | 55.0%±10.8 pts | 67.6% |
| Unemployment rate | 18.1%±9.6 pts | 8.0% |
| Drove alone to work | 53.7%±22.2 pts | 44.7% |
| Carpooled | 11.9%±11.4 pts | 7.3% |
| Public transportation | 30.5%±18.4 pts | 17.7% |
| Walked | 0.0%±10.8 pts | 5.8% |
| Worked from home | 4.0%±5.5 pts | 21.0% |
| Mean travel time to work | 32.3 min±3.5 | 33.1 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 6121 compare with the other tracts in Cook County?
Among Cook County's tracts with a reliable estimate, Census Tract 6121 ranks as shown below (1 = highest).
| Measure | In Cook County | In Chicago |
|---|---|---|
| Population | 1,318th of 1,328 | 780th of 789 |
| Residents per square mile | 700th of 1,331 | 612th of 792 |
| Per capita income | 1,262nd of 1,325 | 728th of 786 |
| Median home value | 1,009th of 1,279 | 588th of 749 |
| Median gross rent | 1,125th of 1,254 | 657th of 758 |
| Poverty rate | 237th of 905 | 207th of 587 |
| Bachelor's degree or higher | 1,019th of 1,264 | 576th of 736 |
| Median age | 779th of 1,327 | 361st of 788 |
| Owner-occupied share | 1,239th of 1,300 | 703rd of 762 |
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 6121?
4 of the 18 figures for Census Tract 6121 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