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Cook County, Illinois

Cook County, Illinois · ZIP 60004, 60005, 60007

  • Census data · ACS 2019-2023
Browse the 144 townsFind my townSponsor a town here
  • 5,182,617 (2024 estimate)Population
  • 2,084,578Households
  • $81,797Median household income
  • $305,200Median home value
  • 144Towns with a page
  • 174ZIP codes

Cook County in numbersOfficial sources, refreshed yearly

Population, 2000 to 2020−1.9%
5.1M5.2M5.3M5.4M2000: 5,376,74120002010: 5,194,67520102020: 5,275,54120205,376,7415,275,541
Population of Cook County at each census
CensusPopulation
20005,376,741
20105,194,675
20205,275,541

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, county level, state 17, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 17, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 17, retrieved November 14, 2026.

Household income in Cook County
Under $50k32.2%
$50k to $100k26.6%
$100k to $150k17.1%
$150k to $200k9.7%
$200k and over14.5%

Median household income $81,797 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 17, retrieved November 14, 2026.

Housing tenure in Cook County
Owner occupied
1,198,834 units
Renter occupied
885,744 units
Vacancy rate
8.2%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, county level, state 17, retrieved November 14, 2026.

Jobs by sector in Cook County2023
Health care and social assistance398,573
Professional, scientific, and technical services278,869
Accommodation and food services237,304
Retail trade214,575
Finance and insurance211,929
Manufacturing174,930
Transportation and warehousing163,637
Administrative and support and waste management and remediation services141,323

2,492,328 employees in 134,513 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.

Source: County Business Patterns 2023: employment by sector, county level, state 17, retrieved November 14, 2026.

Cook County compared with its state
Cook County compared with its state, American Community Survey 2019-2023
MeasureCook CountyIllinois
Population5,185,81212,692,653
Median household income$81,797$81,702
Median age37.838.9
Median home value$305,200$250,500
Bachelor’s degree or higher41.9%37.2%
Foreign-born residents21.4%14.4%
Owner-occupied homes57.5%66.8%
Mean commute to work31.9 minutes28.1 minutes

Source: American Community Survey 5-year data profile 2019–2023, county level, state 17, retrieved November 14, 2026.

Townships, towns and villages in Cook County144 with a page · sort by any column

Type
ChicagoCity2,721,308227.7 sq mi
Wheeling TownshipTownship153,55835.9 sq mi
Thornton TownshipTownship152,75946.9 sq mi
Worth TownshipTownship148,60431.8 sq mi
Proviso TownshipTownship147,15629.7 sq mi
Maine TownshipTownship136,25625.9 sq mi
Schaumburg TownshipTownship131,44730.7 sq mi
Lyons TownshipTownship112,29136.4 sq mi
Palatine TownshipTownship111,31635.7 sq mi
Niles TownshipTownship109,04821.3 sq mi
Bremen TownshipTownship104,28537.7 sq mi
Hanover TownshipTownship97,75133.4 sq mi
Orland TownshipTownship96,55335.7 sq mi
Elk Grove TownshipTownship92,99627.6 sq mi
Leyden TownshipTownship90,47119.9 sq mi
Northfield TownshipTownship89,50434.3 sq mi
Bloom TownshipTownship83,62646.4 sq mi
CiceroTown82,0905.87 sq mi
SchaumburgVillage77,09919.4 sq mi
EvanstonCity76,0067.78 sq mi
Arlington HeightsVillage75,59616.6 sq mi
Rich TownshipTownship73,99636.4 sq mi
PalatineVillage65,95114.1 sq mi
SkokieVillage65,85010.1 sq mi
Des PlainesCity58,83214.2 sq mi
Orland ParkVillage58,02022.0 sq mi
Oak LawnVillage56,5318.57 sq mi
New Trier TownshipTownship56,06415.9 sq mi
Mount ProspectVillage55,46010.7 sq mi
Palos TownshipTownship55,40633.7 sq mi
BerwynCity55,1523.90 sq mi
Tinley ParkVillage54,85616.2 sq mi
Oak ParkVillage52,9474.70 sq mi
Hoffman EstatesVillage50,92020.5 sq mi
GlenviewVillage47,63414.5 sq mi
Stickney TownshipTownship40,30212.5 sq mi
Park RidgeCity38,4457.09 sq mi
StreamwoodVillage38,3607.80 sq mi
WheelingVillage38,3298.67 sq mi
Calumet CityCity34,8557.20 sq mi
NorthbrookVillage34,54613.2 sq mi
Elk Grove VillageVillage31,80211.8 sq mi
NilesVillage29,9185.85 sq mi
BurbankCity28,6064.18 sq mi
LansingVillage28,1077.46 sq mi
WilmetteVillage27,4435.40 sq mi
Oak ForestCity26,8136.05 sq mi
Norwood Park TownshipTownship26,5823.66 sq mi
Chicago HeightsCity26,53310.4 sq mi
Morton GroveVillage24,4675.09 sq mi
Melrose ParkVillage23,9994.35 sq mi
Rolling MeadowsCity23,7325.62 sq mi
Elmwood ParkVillage23,6981.91 sq mi
MaywoodVillage23,3642.72 sq mi
Lemont TownshipTownship22,91820.4 sq mi
Blue IslandCity21,8054.07 sq mi
Park ForestVillage21,0164.98 sq mi
South HollandVillage20,7757.24 sq mi
DoltonVillage20,6974.57 sq mi
HarveyCity19,7816.21 sq mi
Evergreen ParkVillage19,3013.16 sq mi
BrookfieldVillage18,8853.06 sq mi
HomewoodVillage18,7895.01 sq mi
MattesonVillage18,5669.29 sq mi
AlsipVillage18,4866.53 sq mi
LemontVillage18,2039.14 sq mi
BellwoodVillage18,1322.40 sq mi
Franklin ParkVillage18,1104.78 sq mi
Palos HillsCity18,0264.25 sq mi
Calumet TownshipTownship17,9644.41 sq mi
BridgeviewVillage16,5594.12 sq mi
WestchesterVillage16,3133.69 sq mi
Barrington TownshipTownship16,24034.9 sq mi
Country Club HillsCity16,2384.97 sq mi
Riverside TownshipTownship16,1124.03 sq mi
La GrangeVillage15,9432.52 sq mi
Prospect HeightsCity15,5664.21 sq mi
NorridgeVillage14,8171.81 sq mi
Hickory HillsCity14,1182.84 sq mi
Chicago RidgeVillage14,0362.27 sq mi
MidlothianVillage13,8702.82 sq mi
Forest ParkVillage13,8462.40 sq mi
Western SpringsVillage13,5292.78 sq mi
La Grange ParkVillage13,4592.23 sq mi
LincolnwoodVillage13,0552.69 sq mi
Hazel CrestVillage13,0363.61 sq mi
Richton ParkVillage12,5044.39 sq mi
WinnetkaVillage12,4943.81 sq mi
NorthlakeCity12,4333.18 sq mi
JusticeVillage12,2672.84 sq mi
Palos HeightsCity12,0883.78 sq mi
River ForestVillage11,9092.48 sq mi
Schiller ParkVillage11,3252.77 sq mi
MarkhamCity11,2905.40 sq mi
SummitVillage10,7612.12 sq mi
WorthVillage10,6602.37 sq mi
BarringtonVillage10,6154.62 sq mi
CrestwoodVillage10,5333.05 sq mi
LyonsVillage10,4402.21 sq mi
River GroveVillage10,4242.39 sq mi
RiverdaleVillage10,2993.58 sq mi
Sauk VillageVillage9,6273.99 sq mi
StegerVillage9,3763.41 sq mi
FlossmoorVillage9,3713.67 sq mi
LynwoodVillage9,2395.14 sq mi
RiversideVillage8,9641.98 sq mi
Harwood HeightsVillage8,7550.82 sq mi
GlencoeVillage8,7203.72 sq mi
GlenwoodVillage8,4133.28 sq mi
HillsideVillage8,0313.17 sq mi
BroadviewVillage7,8671.78 sq mi
InvernessVillage7,4286.53 sq mi
North RiversideVillage7,1611.64 sq mi
StickneyVillage6,9021.92 sq mi
Calumet ParkVillage6,7771.12 sq mi
Orland HillsVillage6,6761.14 sq mi
CountrysideCity6,2462.88 sq mi
Willow SpringsVillage5,7934.15 sq mi
NorthfieldVillage5,6253.23 sq mi
PosenVillage5,4131.17 sq mi
BerkeleyVillage5,1551.40 sq mi
South BarringtonVillage5,0617.46 sq mi
Palos ParkVillage4,8106.15 sq mi
Olympia FieldsVillage4,5932.94 sq mi
RobbinsVillage4,5671.45 sq mi
Stone ParkVillage4,4730.34 sq mi
HometownCity4,1930.48 sq mi
Barrington HillsVillage4,08027.0 sq mi
Indian Head ParkVillage3,9560.93 sq mi
BurnhamVillage3,9161.85 sq mi
South Chicago HeightsVillage3,8871.58 sq mi
RosemontVillage3,8221.79 sq mi
DixmoorVillage2,9441.25 sq mi
KenilworthVillage2,4370.61 sq mi
ThorntonVillage2,3002.37 sq mi
Merrionette ParkVillage1,9120.38 sq mi
Ford HeightsVillage1,7522.04 sq mi
PhoenixVillage1,6500.46 sq mi
HodgkinsVillage1,4872.71 sq mi
East Hazel CrestVillage1,2540.78 sq mi
Forest ViewVillage7651.17 sq mi
Bedford ParkVillage5855.93 sq mi
GolfVillage5040.45 sq mi
McCookVillage2412.61 sq mi

Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 17 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.

County officialsFrom public records

No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.

Across Cook County

Jobs across Cook County

No job is posted in Cook County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.

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Events in the next 31 days

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Neighboring counties

Neighboring counties

Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 26, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 17, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 18, retrieved November 14, 2026.