Cook County, Illinois
Cook County: County in Illinois, United States
About
Cook County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 5,194,675 and a population density of 1,227 people per km². After 10 years in 2020 county had an estimated population of 5,108,284 inhabitants. Its county seat is Chicago. The county was created 193 years ago in 1831.
Quick Facts about Cook County
| Population : | 5,108,284 (2020) |
| Country : | United States of America |
| State : | Illinois (United States) |
| Different from : | Cooke County, Cook County, Cook County |
| Twitter username : | cookcountygov |
| Area : | 4235 km2 |
| Official name : | Cook County |
| Water as percent of area : | 42.2% |
| Land as percent of area : | 57.8% |
| Named for : | Daniel Pope Cook |
| Altitude : | 3,117 feet / 950 meters |
| Capital : | Chicago |
| Establishment : | January 01, 1831 |
| Time Zone : | UTC−05:00, UTC−06:00, Central Time Zone |
| Local time : | 22:52:59 (17th December 2024) |
| Density : | 1,206 Pop. per km² as of 2020 |
| Population growth : | -1.69% (2010-2020) |
Geography
Cook County is located at 41°53'43"N 87°38'46"W (41.8954000, -87.6461600). It has 6 neighbors: DuPage County, McHenry County, Will County, Lake County, Porter County and Berrien County.
Cook County map
Click "full screen" 
icon to open full mode. View satellite images
icon to open full mode. View satellite images
The largest city of Cook County is Evanston with a population of 72,683. Other cities include, Des Plaines population 58,179, Berwyn population 53,701, Hoffman Estates population 50,495 and Wheeling population 38,958. See all Cook County cities & populated places.
Cook County Populated Places (more)
Cities, towns, neighborhoods & other populated places in Cook County.
| City Name | Population | Title |
|---|---|---|
| Cicero | 79,727 | Town in Illinois |
| Arlington Heights | 75,101 | Village in Cook County, Illinois, United States; suburb of Chicago, Illinois |
| Evanston | 72,683 | A city in Cook County, Illinois. |
| Schaumburg | 72,049 | Large village located in Cook County in Illinois, USA |
| Palatine | 66,830 | Village in Cook County, Illinois, United States |
| Skokie | 62,404 | Village in Cook County, Illinois, United States |
| Des Plaines | 58,179 | The most populous city in Cook County, Illinois. |
| Orland Park | 57,347 | Village in Illinois |
| Tinley Park | 55,221 | Village located in Cook County, Illinois, United States |
| Oak Lawn | 54,376 | Village in Illinois, United States of America |
| Berwyn | 53,701 | A city in Cook County, Illinois. |
| Mount Prospect | 53,299 | Village in Elk Grove and Wheeling Townships in Cook County, Illinois, United States |
| Oak Park | 51,852 | Village in Cook County, Illinois, United States; suburb of Chicago, Illinois |
| Hoffman Estates | 50,495 | A city in Cook County, Illinois. |
| Glenview | 47,446 | Village in Cook County, Illinois, United States |
| Buffalo Grove | 41,496 | Village in Illinois, United States of America |
- Official Website
Official website of Cook County
Cook County has 6 neighbours.
- DuPage County county in Illinois, United States
- McHenry County county in Illinois, United States
- Will County county in Illinois, United States
- Lake County County in Indiana, United States
- Porter County county in Indiana, United States
- Berrien County county in Michigan, United States
- Chicago
- Maywood
- Barrington
- Glenview
- Bridgeview
- Oak Lawn
Demographics
According to census records, the population of Cook County decreased by 1.69% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 5,194,675 | - | census |
| 2011 | 5,219,780 | 0.48% | estimation process |
| 2012 | 5,239,351 | 0.37% | estimation process |
| 2013 | 5,252,875 | 0.26% | estimation process |
| 2014 | 5,254,675 | 0.03% | estimation process |
| 2015 | 5,244,088 | -0.2% | estimation process |
| 2016 | 5,224,272 | -0.38% | estimation process |
| 2017 | 5,200,821 | -0.45% | estimation process |
| 2018 | 5,171,960 | -0.56% | estimation process |
| 2019 | 5,150,233 | -0.42% | estimation process |
| 2020 | 5,108,284 | -0.82% | estimation process |
Comte de Cook, Comté de Cook, Condado de Cook, Condado han Cook, Contea di Cook, Cook, Cook Comitatus, Cook Kun, Cook Kūn, Cook konderria, Cooki maakond, Hrabstwo Cook, Kuk, Kuk srjan, Okrug Kuk, Quan Cook, Quận Cook, koka ka'unti, ku ke xian, kukku jun, mhwz qwq, mqatʿt kwk, Кук, Округ Кук, Կուկ շրջան, מחוז קוק, קוק קאונטי, مقاطعة كوك, کک کاؤنٹی, کک کاؤنٹی، الینوائے, কোক কাউন্টি, クック郡, 庫克縣
People born in Cook County (29)
People born in Cook County, including actor Christopher Denham, journalist Lon Grahnke, US composer, Associate Professor of Composition at University of Colorado Boulder Carter Pann, .
List
- Gerald Nicosia (American literary critic) he was born in 18/11/1949
- James Dewar (American baker, inventor of the Twinkie) he was born in 05/02/1897
- Anne Hopkins Aitken (American Zen Buddhist) she was born in 08/02/1911
- Fred Noonan (American flight navigator, sea captain, and aviation pioneer) he was born in 04/04/1893
- Eric Knott (American baseball player) he was born in 23/09/1974
- Janet Ayer Fairbank (Novelist, suffragette) she was born in 07/06/1878
- John Fitzgerald (American soldier, born in Cook County, Illinois) he was born in 01/01/1817
- John Warden (Union Army Medal of Honor recipient) he was born in 11/06/1841
- Morris N Beitman (Author, Publisher and Radio Instructor) he was born in 01/12/1911
- Robert Bandurski he was born in 11/05/1924
- J. A. Konrath (American writer) he was born in 01/03/1970
- Edward Burkhardt (American businessman) he was born in 23/07/1938
- Connor Carrick (American ice hockey player) he was born in 13/04/1994
- Chester Stranczek (American politician) he was born in 19/11/1929
- Lynnette Love (American taekwondo practitioner) she was born in 21/09/1957
- Ethelbert Stewart he was born in 01/01/1857
- Al Hoffman, Jr. (American businessperson) he was born in 27/03/1934
- Zach Monaghan (American basketball player) he was born in 01/12/1992
Other places with the same name (3)
- Cook County , Georgia county in Georgia, United States with a population of 17,291 people.
- Cook County , Minnesota county in Minnesota, United States with a population of 5,417 people.
Illinois Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Chicago | 2,677,643 | The third most populous city in the United States and the center of the Chicago metropolitan area. |
| DuPage County | 917,481 | County in Illinois, United States |
| Lake County | 693,593 | County in Oregon, United States |
| Will County | 688,726 | County in Illinois, United States |
| Kane County | 531,010 | County in southern Utah, United States |
| McHenry County | 305,888 | County in Illinois, United States |
| Winnebago County | 281,295 | County in Illinois, United States |
| Madison County | 262,635 | County in Montana, United States |
| Saint Clair County | 258,046 | The County of St. |
| Champaign County | 209,192 | County in Illinois, United States |
| Aurora | 196,383 | The second most populous city in Illinois. |
| Sangamon County | 193,882 | County in Illinois, United States |
| Peoria County | 177,652 | County in Illinois, United States of America |
| McLean County | 171,256 | County in North Dakota, United States |
| Naperville | 147,986 | The second most populous city in Illinois. |
| Rockford | 144,835 | The second most populous city in Illinois. |
