Census tract · Cook County
Census Tract 305, Cook County, Illinois
Census Tract 305, GEOID 17031030500, in Cook County, Illinois, entirely within Chicago. 6,518 residents in the ACS 2020-2024 5-year estimates (±670); the 2020 Census counted 6,183.
Residents, 2020-2024
6,518
±670 (90% margin)
2020 Census count: 6,183
Median household income
$127,055
±$11,147 (90% margin)
Cook County: $83,498
Median home value
$341,000
±$56,076 (90% margin)
Cook County: $324,500
Median gross rent
$1,778
±$139 (90% margin)
Cook County: $1,435
Where is Census Tract 305?
Census Tract 305 is one of 1,332 census tracts in Cook County, Illinois. It covers 0.24 square miles of land, 25,870 residents per square mile in 2020. Its GEOID, 17031030500, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Chicago | 100% |
5 census tracts border Census Tract 305: Tract 302 ($108,466), Tract 304 ($98,909), Tract 306.01 ($52,917), Tract 306.03 ($49,674) and Tract 308 ($105,585). 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 305?
The 2020-2024 American Community Survey puts Census Tract 305's population at 6,518 (±670) in 3,120 households; the 2020 Census counted 6,183 residents and 3,302 housing units.
| Measure | Tract 305 | Chicago |
|---|---|---|
| Total population | 6,518±670 | 2,711,226 |
| Households | 3,120±284 | 1,160,205 |
| Average household size | 2.05±0.13 | 2.29 |
| Housing units | 3,352±250 | 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 305?
The median resident of Census Tract 305 is 39.9 years old; 12.7% are under 18 and 9.4% are 65 or older. The largest group is non-Hispanic white residents at 59.6%, then Hispanic or Latino residents (of any race) at 18.7%. 15.6% of residents were born outside the United States.
| Measure | Tract 305 | Chicago |
|---|---|---|
| Median age | 39.9±1.9 | 35.8 |
| Under 18 years | 12.7%±4.0 pts | 19.4% |
| 65 years and over | 9.4%±2.4 pts | 13.8% |
| Hispanic or Latino (any race) | 18.7%±5.1 pts | 29.7% |
| White alone, not Hispanic | 59.6%±7.3 pts | 32.1% |
| Black or African American alone, not Hispanic | 6.4%±3.6 pts | 27.4% |
| Asian alone, not Hispanic | 5.1%±3.0 pts | 7.2% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.6 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.6 pts | 0.0% |
| Two or more races, not Hispanic | 10.1%±4.1 pts | 3.0% |
| Some other race alone, not Hispanic | 0.0%±0.6 pts | 0.4% |
| Born outside the United States | 15.6%±5.4 pts | 20.9% |
| Speak a language other than English at home (age 5+) | 28.1%±7.0 pts | 35.4% |
| Civilian veterans (age 18+) | 0.5%±0.6 pts | 2.8% |
| With a disability | 5.2%±2.5 pts | 12.1% |
| No health insurance coverage | 10.1%±4.1 pts | 9.8% |
| High school graduate or higher (age 25+) | 95.5%±2.9 pts | 87.2% |
| Bachelor's degree or higher (age 25+) | 72.0%±5.1 pts | 44.3% |
| Graduate or professional degree (age 25+) | 32.8%±5.8 pts | 19.0% |
| Lived in the same house a year earlier | 89.8%±4.5 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 305 earn?
Half of the 3,120 households in Census Tract 305 earn less than $127,055 a year (±$11,147), against $83,498 across Cook County: 201st highest of the county's 1,258 tracts with a reliable estimate. 6.0% of residents live below the poverty line.
| Measure | Tract 305 | Chicago |
|---|---|---|
| Median household income | $127,055±$11,147 | $77,902 |
| Mean household income | $143,577±$13,879 | $116,016 |
| Per capita income | $70,375±$7,451 | $50,086 |
| People below the poverty line | 6.0%±3.1 pts | 16.8% |
| Children under 18 below the poverty line | 5.0%±6.1 pts | 23.6% |
| Households receiving SNAP | 3.5%±2.4 pts | 18.9% |
| Households with a computer | 99.1%±1.0 pts | 94.9% |
| Households with a broadband subscription | 98.5%±1.4 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 305?
Owners occupy 55.1% of Census Tract 305's occupied homes and renters 44.9%. The median owner-occupied home is valued at $341,000 by its owner (±$56,076). The median renter pays $1,778 a month including utilities, and 19.1% of renters pay 35% or more of their income on rent.
| Measure | Tract 305 | Chicago |
|---|---|---|
| Median home value (owner-occupied) | $341,000±$56,076 | $334,100 |
| Median gross rent | $1,778±$139 | $1,440 |
| Renters paying 35% or more of income on rent | 19.1%±10.0 pts | 39.3% |
| Median monthly owner costs, with a mortgage | $2,297±$501 | $2,339 |
| Owner-occupied homes | 55.1%±7.2 pts | 46.0% |
| Renter-occupied homes | 44.9%±7.2 pts | 54.0% |
| Housing units | 3,352±250 | 1,277,054 |
| Single-family detached homes | 11.5%±3.5 pts | 25.6% |
| Mobile homes | 0.0%±1.1 pts | 0.2% |
| Built 2020 or later | 0.4%±0.7 pts | 0.8% |
| Built 2010 to 2019 | 0.0%±1.1 pts | 5.5% |
| Built 1939 or earlier | 66.5%±9.0 pts | 38.8% |
| Households with no vehicle | 20.3%±6.0 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 305 get to work?
32.7% of Census Tract 305's workers drive alone and 39.0% work from home. The average trip to work takes 40.2 minutes. The unemployment rate in 2020-2024 averaged 3.7%.
| Measure | Tract 305 | Chicago |
|---|---|---|
| In the labor force (age 16+) | 82.7%±4.2 pts | 67.6% |
| Unemployment rate | 3.7%±2.3 pts | 8.0% |
| Drove alone to work | 32.7%±6.6 pts | 44.7% |
| Carpooled | 0.4%±0.6 pts | 7.3% |
| Public transportation | 21.7%±5.6 pts | 17.7% |
| Walked | 2.7%±1.8 pts | 5.8% |
| Worked from home | 39.0%±7.4 pts | 21.0% |
| Mean travel time to work | 40.2 min±3.8 | 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 305 compare with the other tracts in Cook County?
Among Cook County's tracts with a reliable estimate, Census Tract 305 ranks as shown below (1 = highest).
| Measure | In Cook County | In Chicago |
|---|---|---|
| Population | 102nd of 1,328 | 49th of 789 |
| Residents per square mile | 177th of 1,331 | 174th of 792 |
| Median household income | 201st of 1,258 | 102nd of 725 |
| Per capita income | 229th of 1,325 | 158th of 786 |
| Median home value | 557th of 1,279 | 354th of 749 |
| Median gross rent | 280th of 1,254 | 148th of 758 |
| Poverty rate | 791st of 905 | 545th of 587 |
| Bachelor's degree or higher | 206th of 1,264 | 153rd of 736 |
| Median age | 541st of 1,327 | 231st of 788 |
| Owner-occupied share | 705th of 1,300 | 259th of 762 |
The tracts next to it on Cook County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 2433 | 198th | $128,000±$39,221 · within the margin of this tract |
| Tract 2212 | 199th | $127,795±$23,208 · within the margin of this tract |
| Tract 902 | 200th | $127,384±$21,219 · within the margin of this tract |
| Tract 305 | 201st | $127,055±$11,147 |
| Tract 1505.01 | 202nd | $126,471±$25,118 · within the margin of this tract |
| Tract 2204 | 203rd | $126,273±$21,564 · within the margin of this tract |
| Tract 8064 | 204th | $126,250±$5,483 · 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 305?
Every figure for Census Tract 305 on this page has a coefficient of variation under 40%, the Census Bureau's threshold for a usable estimate.
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