Cook County Map, Illinois

Written and Fact-checked by | Updated On: April 26, 2026 | 14:30 ET

Map of Cook County - Cook County is a county located in the U.S. state of Illinois. Cook County Map showing cities, highways, important places and water bodies. Get Where is Cook County located in the map, major cities in Cook county, population, areas, and places of interest.

Cook County Map, Illinois

Cook County Map, Illinois

About Cook County Map, Illinois: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.

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Cook County, Illinois

Cook County is a county located in the U.S. state of Illinois. It's county seat is Chicago. As per 2020 census, the population of Cook County is 5173146 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 944 sq mi (2,445 km2). Cook County was established on 1831.

Facts about Cook County, Illinois

CountryUnited States
StateIllinois
RegionNortheastern Illinois
County SeatChicago
Named AfterDaniel Pope Cook
Established1831
Organized1831
Coordinates41.84° N, 87.82° W
Total Area~1,635 sq mi
Land Area~946 sq mi
Water Area~689 sq mi
Population (2020)~5,275,541
Population RankMost populous county in Illinois
Largest CityChicago
Main IndustriesFinance, Healthcare, Manufacturing, Transportation, Technology
Major AirportO’Hare International Airport
Time ZoneCentral Time (UTC−06:00)
Known ForChicago metropolitan area, Lake Michigan shoreline, cultural and economic hub
Websitehttps://www.cookcountyil.gov

Ctities in Cook county

City NameTypePopulation (2020)Pop. DensityArea
AlsipVillage19,0632,921.5/sq mi (1,128.0/km2)6.525 sq mi (16.9 km2)
Arlington HeightsVillage77,6764,677.9/sq mi (1,806.1/km2)16.605 sq mi (43.01 km2)
Bedford ParkVillage602101.4/sq mi (39.2/km2)5.934 sq mi (15.37 km2)
BellwoodVillage18,7897,835.3/sq mi (3,025.2/km2)2.398 sq mi (6.21 km2)
BerkeleyVillage5,3383,807.4/sq mi (1,470.1/km2)1.402 sq mi (3.63 km2)
BerwynCity57,25014,664.4/sq mi (5,662.0/km2)3.904 sq mi (10.11 km2)
Blue IslandCity22,5585,541.1/sq mi (2,139.4/km2)4.071 sq mi (10.54 km2)
BridgeviewVillage17,0274,119.8/sq mi (1,590.7/km2)4.133 sq mi (10.7 km2)
BroadviewVillage7,9984,500.8/sq mi (1,737.8/km2)1.777 sq mi (4.6 km2)
BrookfieldVillage19,4766,356.4/sq mi (2,454.2/km2)3.064 sq mi (7.94 km2)
BurbankCity29,4397,059.7/sq mi (2,725.8/km2)4.17 sq mi (10.8 km2)
BurnhamVillage4,0462,181.1/sq mi (842.1/km2)1.855 sq mi (4.8 km2)
Calumet CityCity36,0335,017.8/sq mi (1,937.4/km2)7.181 sq mi (18.6 km2)
Calumet ParkVillage7,0256,289.2/sq mi (2,428.3/km2)1.117 sq mi (2.89 km2)
ChicagoCity2,746,38812,059.8/sq mi (4,656.3/km2)227.73 sq mi (589.8 km2)
Chicago HeightsCity27,4802,672.4/sq mi (1,031.8/km2)10.283 sq mi (26.63 km2)
Chicago RidgeVillage14,4336,363.8/sq mi (2,457.1/km2)2.268 sq mi (5.87 km2)
CiceroTown85,26814,538.4/sq mi (5,613.3/km2)5.865 sq mi (15.19 km2)
Country Club HillsCity16,7753,375.3/sq mi (1,303.2/km2)4.97 sq mi (12.87 km2)
CountrysideCity6,4202,230.7/sq mi (861.3/km2)2.878 sq mi (7.45 km2)
CrestwoodVillage10,8263,550.7/sq mi (1,370.9/km2)3.049 sq mi (7.9 km2)
Des PlainesCity60,6754,261.5/sq mi (1,645.4/km2)14.238 sq mi (36.88 km2)
DixmoorVillage2,9732,380.3/sq mi (919.0/km2)1.249 sq mi (3.23 km2)
DoltonVillage21,4264,687.4/sq mi (1,809.8/km2)4.571 sq mi (11.84 km2)
East Hazel CrestVillage1,2971,654.3/sq mi (638.7/km2)0.784 sq mi (2.03 km2)
Elk Grove VillageVillage32,8122,819.1/sq mi (1,088.5/km2)11.639 sq mi (30.14 km2)
Elmwood ParkVillage24,52112,851.7/sq mi (4,962.1/km2)1.908 sq mi (4.94 km2)
EvanstonCity78,11010,041.1/sq mi (3,876.9/km2)7.779 sq mi (20.15 km2)
Evergreen ParkVillage19,9436,305.1/sq mi (2,434.4/km2)3.163 sq mi (8.19 km2)
FlossmoorVillage9,7042,650.6/sq mi (1,023.4/km2)3.661 sq mi (9.48 km2)
Ford HeightsVillage1,813931.7/sq mi (359.7/km2)1.946 sq mi (5.04 km2)
Forest ParkVillage14,3395,969.6/sq mi (2,304.9/km2)2.402 sq mi (6.22 km2)
Forest ViewVillage792678.1/sq mi (261.8/km2)1.168 sq mi (3.03 km2)
Franklin ParkVillage18,4673,869.9/sq mi (1,494.2/km2)4.772 sq mi (12.36 km2)
GlencoeVillage8,8492,380.0/sq mi (918.9/km2)3.718 sq mi (9.63 km2)
GlenviewVillage48,7053,478.7/sq mi (1,343.1/km2)14.001 sq mi (36.26 km2)
GlenwoodVillage8,6622,653.8/sq mi (1,024.6/km2)3.264 sq mi (8.45 km2)
GolfVillage5141,147.3/sq mi (443.0/km2)0.448 sq mi (1.16 km2)
HarveyCity20,3243,274.9/sq mi (1,264.4/km2)6.206 sq mi (16.07 km2)
Harwood HeightsVillage9,06510,987.9/sq mi (4,242.4/km2)0.825 sq mi (2.14 km2)
Hazel CrestVillage13,3823,939.4/sq mi (1,521.0/km2)3.397 sq mi (8.8 km2)
Hickory HillsCity14,5055,100.2/sq mi (1,969.2/km2)2.844 sq mi (7.37 km2)
HillsideVillage8,3202,626.3/sq mi (1,014.0/km2)3.168 sq mi (8.21 km2)
HodgkinsVillage1,500553.1/sq mi (213.6/km2)2.712 sq mi (7.02 km2)
Hoffman EstatesVillage52,5302,493.7/sq mi (962.8/km2)21.065 sq mi (54.56 km2)
HometownCity4,3439,066.8/sq mi (3,500.7/km2)0.479 sq mi (1.24 km2)
HomewoodVillage19,4633,731.4/sq mi (1,440.7/km2)5.216 sq mi (13.51 km2)
Indian Head ParkVillage4,0654,371.0/sq mi (1,687.6/km2)0.93 sq mi (2.41 km2)
InvernessVillage7,6161,165.6/sq mi (450.0/km2)6.534 sq mi (16.92 km2)
JusticeVillage12,6004,436.6/sq mi (1,713.0/km2)2.84 sq mi (7.36 km2)
KenilworthVillage2,5144,141.7/sq mi (1,599.1/km2)0.607 sq mi (1.57 km2)
La GrangeVillage16,3216,463.8/sq mi (2,495.7/km2)2.525 sq mi (6.54 km2)
La Grange ParkVillage13,4756,034.5/sq mi (2,329.9/km2)2.233 sq mi (5.78 km2)
LansingVillage29,0763,896.5/sq mi (1,504.5/km2)7.462 sq mi (19.33 km2)
LincolnwoodVillage13,4635,001.1/sq mi (1,930.9/km2)2.692 sq mi (6.97 km2)
LynwoodVillage9,1161,836.4/sq mi (709.0/km2)4.964 sq mi (12.86 km2)
LyonsVillage10,8174,901.2/sq mi (1,892.4/km2)2.207 sq mi (5.72 km2)
McCookVillage24995.3/sq mi (36.8/km2)2.614 sq mi (6.77 km2)
MarkhamCity11,6612,157.4/sq mi (833.0/km2)5.405 sq mi (14 km2)
MattesonVillage19,0732,054.2/sq mi (793.1/km2)9.285 sq mi (24.05 km2)
MaywoodVillage23,5128,653.7/sq mi (3,341.2/km2)2.717 sq mi (7.04 km2)
Melrose ParkVillage24,7965,696.3/sq mi (2,199.4/km2)4.353 sq mi (11.27 km2)
Merrionette ParkVillage1,9695,250.7/sq mi (2,027.3/km2)0.375 sq mi (0.97 km2)
MidlothianVillage14,3255,081.6/sq mi (1,962.0/km2)2.819 sq mi (7.3 km2)
Morton GroveVillage25,2974,971.9/sq mi (1,919.7/km2)5.088 sq mi (13.18 km2)
Mount ProspectVillage56,8525,303.9/sq mi (2,047.8/km2)10.719 sq mi (27.76 km2)
NilesVillage30,9125,285.9/sq mi (2,040.9/km2)5.848 sq mi (15.15 km2)
NorridgeVillage15,2518,435.3/sq mi (3,256.9/km2)1.808 sq mi (4.68 km2)
NorthbrookVillage35,2222,660.3/sq mi (1,027.1/km2)13.24 sq mi (34.29 km2)
NorthfieldVillage5,7511,780.5/sq mi (687.5/km2)3.23 sq mi (8.37 km2)
NorthlakeCity12,8404,042.8/sq mi (1,560.9/km2)3.176 sq mi (8.23 km2)
North RiversideVillage7,4264,517.0/sq mi (1,744.0/km2)1.644 sq mi (4.26 km2)
Oak ForestCity27,4784,563.7/sq mi (1,762.1/km2)6.021 sq mi (15.59 km2)
Oak LawnVillage58,3626,809.2/sq mi (2,629.1/km2)8.571 sq mi (22.2 km2)
Oak ParkVillage54,58311,613.4/sq mi (4,484.0/km2)4.7 sq mi (12.17 km2)
Olympia FieldsVillage4,7181,605.3/sq mi (619.8/km2)2.939 sq mi (7.61 km2)
Orland HillsVillage6,8936,020.1/sq mi (2,324.4/km2)1.145 sq mi (2.97 km2)
PalatineVillage67,9084,994.0/sq mi (1,928.2/km2)13.598 sq mi (35.22 km2)
Palos HeightsCity12,0683,197.7/sq mi (1,234.6/km2)3.774 sq mi (9.77 km2)
Palos HillsCity18,5304,364.1/sq mi (1,685.0/km2)4.246 sq mi (11 km2)
Palos ParkVillage4,899760.1/sq mi (293.5/km2)6.445 sq mi (16.69 km2)
Park RidgeCity39,6565,594.8/sq mi (2,160.2/km2)7.088 sq mi (18.36 km2)
PhoenixVillage1,7083,681.0/sq mi (1,421.3/km2)0.464 sq mi (1.2 km2)
PosenVillage5,6324,817.8/sq mi (1,860.2/km2)1.169 sq mi (3.03 km2)
Prospect HeightsCity16,0583,773.0/sq mi (1,456.8/km2)4.256 sq mi (11.02 km2)
Richton ParkVillage12,7752,908.7/sq mi (1,123.1/km2)4.392 sq mi (11.38 km2)
RiverdaleVillage10,6632,982.7/sq mi (1,151.6/km2)3.575 sq mi (9.26 km2)
River ForestVillage11,7174,724.6/sq mi (1,824.2/km2)2.48 sq mi (6.42 km2)
River GroveVillage10,6124,438.3/sq mi (1,713.6/km2)2.391 sq mi (6.19 km2)
RiversideVillage9,2984,700.7/sq mi (1,815.0/km2)1.978 sq mi (5.12 km2)
RobbinsVillage4,6293,194.6/sq mi (1,233.4/km2)1.449 sq mi (3.75 km2)
Rolling MeadowsCity24,2004,309.1/sq mi (1,663.8/km2)5.616 sq mi (14.55 km2)
RosemontVillage3,9522,205.4/sq mi (851.5/km2)1.792 sq mi (4.64 km2)
Sauk VillageVillage9,9212,485.2/sq mi (959.5/km2)3.992 sq mi (10.34 km2)
SchaumburgVillage78,7234,080.4/sq mi (1,575.4/km2)19.293 sq mi (49.97 km2)
Schiller ParkVillage11,7094,227.1/sq mi (1,632.1/km2)2.77 sq mi (7.17 km2)
SkokieVillage67,8246,739.3/sq mi (2,602.0/km2)10.064 sq mi (26.07 km2)
South BarringtonVillage5,077683.6/sq mi (263.9/km2)7.427 sq mi (19.24 km2)
South Chicago HeightsVillage4,0262,546.5/sq mi (983.2/km2)1.581 sq mi (4.09 km2)
South HollandVillage21,4652,966.4/sq mi (1,145.3/km2)7.236 sq mi (18.74 km2)
StickneyVillage7,1103,695.4/sq mi (1,426.8/km2)1.924 sq mi (4.98 km2)
Stone ParkVillage4,57613,302.3/sq mi (5,136.1/km2)0.344 sq mi (0.89 km2)
StreamwoodVillage39,5775,075.3/sq mi (1,959.6/km2)7.798 sq mi (20.2 km2)
SummitVillage11,1615,267.1/sq mi (2,033.6/km2)2.119 sq mi (5.49 km2)
ThorntonVillage2,3861,004.6/sq mi (387.9/km2)2.375 sq mi (6.15 km2)
University ParkVillage7,145666.1/sq mi (257.2/km2)10.727 sq mi (27.78 km2)
WestchesterVillage16,8924,582.7/sq mi (1,769.4/km2)3.686 sq mi (9.55 km2)
Western SpringsVillage13,6294,893.7/sq mi (1,889.5/km2)2.785 sq mi (7.21 km2)
WheelingVillage39,1374,513.0/sq mi (1,742.5/km2)8.672 sq mi (22.46 km2)
Willow SpringsVillage5,8571,409.6/sq mi (544.3/km2)4.155 sq mi (10.76 km2)
WilmetteVillage28,1705,213.8/sq mi (2,013.0/km2)5.403 sq mi (13.99 km2)
WinnetkaVillage12,7443,344.0/sq mi (1,291.1/km2)3.811 sq mi (9.87 km2)
WorthVillage10,9704,630.6/sq mi (1,787.9/km2)2.369 sq mi (6.14 km2)
LemontVillage17,6292,118.6/sq mi (818.0/km2)8.321 sq mi (21.55 km2)
BartlettVillage41,1052,613.8/sq mi (1,009.2/km2)15.726 sq mi (40.73 km2)
BarringtonVillage10,7222,326.8/sq mi (898.4/km2)4.608 sq mi (11.93 km2)
Buffalo GroveVillage43,2124,518.7/sq mi (1,744.7/km2)9.563 sq mi (24.77 km2)
Barrington HillsVillage4,114152.3/sq mi (58.8/km2)27.004 sq mi (69.94 km2)
Orland ParkVillage58,7032,664.9/sq mi (1,028.9/km2)22.028 sq mi (57.05 km2)
Park ForestVillage21,6874,371.5/sq mi (1,687.8/km2)4.961 sq mi (12.85 km2)
StegerVillage9,5842,815.5/sq mi (1,087.1/km2)3.404 sq mi (8.82 km2)
Tinley ParkVillage55,9713,477.3/sq mi (1,342.6/km2)16.096 sq mi (41.69 km2)
Burr RidgeVillage11,1921,566.8/sq mi (605.0/km2)7.143 sq mi (18.5 km2)
HinsdaleVillage17,3953,762.7/sq mi (1,452.8/km2)4.623 sq mi (11.97 km2)
RoselleVillage22,8974,135.3/sq mi (1,596.6/km2)5.537 sq mi (14.34 km2)
East DundeeVillage3,1521,110.3/sq mi (428.7/km2)2.839 sq mi (7.35 km2)
ElginCity114,7973,018.8/sq mi (1,165.6/km2)38.027 sq mi (98.49 km2)
DeerfieldVillage19,1963,472.5/sq mi (1,340.7/km2)5.528 sq mi (14.32 km2)
Deer ParkVillage3,6811,007.4/sq mi (389.0/km2)3.654 sq mi (9.46 km2)

Roads and Highways in Cook County, Illinois

Cook County is a major transportation hub with an extensive network of interstates and highways connecting Chicago to the rest of Illinois and neighboring states.

  • Interstate 90 – runs northwest-southeast, connecting Chicago to Rockford and into Indiana
  • Interstate 94 – runs north-south through Chicago, linking Wisconsin to Indiana
  • Interstate 290 – connects downtown Chicago to the western suburbs
  • Interstate 294 – a bypass route around Chicago, linking northern and southern suburbs
  • Interstate 55 – runs southwest from Chicago toward Joliet and St. Louis
  • U.S. Route 41 – runs along Lake Michigan, connecting Chicago to northern suburbs
  • U.S. Route 45 – passes through the county, linking Chicago to surrounding suburbs

Neighboring Counties of Cook County

  • Lake County (north)
  • McHenry County (northwest)
  • Kane County (west)
  • DuPage County (west)
  • Will County (south)
  • Lake County, Indiana (southeast)

Top Attractions in Cook County, Illinois

Cook County offers world-class attractions, cultural landmarks, and parks, especially in and around the city of Chicago.

  • Millennium Park – A famous park in downtown Chicago known for Cloud Gate and outdoor events.
  • Navy Pier – A popular waterfront destination with entertainment, dining, and lake views.
  • Art Institute of Chicago – One of the top art museums in the world.
  • Shedd Aquarium – A major attraction featuring marine life exhibits.
  • Field Museum – A natural history museum with global exhibits and artifacts.
  • Lincoln Park Zoo – A free zoo with a wide range of animals and scenic surroundings.
  • Willis Tower Skydeck – Offers panoramic views of Chicago from one of the tallest buildings in the U.S.
  • Chicago Riverwalk – A scenic walkway with dining, tours, and river views.

Distance from Cook County to Nearby Cities

  • Chicago to Milwaukee – 90 mi (145 km)
  • Chicago to Rockford – 90 mi (145 km)
  • Chicago to Indianapolis – 180 mi (290 km)
  • Chicago to Madison – 150 mi (241 km)
  • Chicago to St. Louis – 300 mi (483 km)

FAQs about Cook County

Where is Cook County located?

Cook County is located in northeastern Illinois along Lake Michigan and includes the city of Chicago.

What is Cook County known for?

The county is known for Chicago, its cultural attractions, museums, and major economic and transportation centers.

What is the county seat of Cook County?

Chicago is the county seat and the largest city in Cook County.

Are there outdoor activities in Cook County?

Yes, visitors can enjoy parks, lakefront trails, beaches, and recreational areas throughout the county.

How can I reach Cook County?

Cook County is accessible via multiple interstates, major highways, rail systems, and international airports.

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