Cook County, Illinois

Cook County is a county in the American state of Illinois. Chicago is the county seat of Cook County. Los Angeles County, California is the only county with a higher population than Cook County.[4]

Cook County, Illinois
County
The century-old, neoclassical County and City Hall building (left) in the Chicago Loop houses the County Board chambers and administrative offices. The Chicago Picasso stands in front of Richard J. Daley Center, the home of Cook County Circuit Court.
The century-old, neoclassical County and City Hall building (left) in the Chicago Loop houses the County Board chambers and administrative offices. The Chicago Picasso stands in front of Richard J. Daley Center, the home of Cook County Circuit Court.
Map of Illinois showing Cook County
Map of Illinois showing Cook County
Illinois's location in the United States
Illinois's location in the United States
Coordinates: 41°48′N 87°43′W
CountryUnited States
StateIllinois
RegionNorthern Illinois
Metro areaChicago Metropolitan
IncorporatedJanuary 15, 1831
Named forDaniel Cook
County seatChicago
Largest cityChicago
Incorporated municipalities
135 (total)
  • 23 cities, 1 town, 111 villages
  • (located entirely or partially
    within county boundaries)
Government
 • TypeCounty
 • BodyBoard of Commissioners
 • Board PresidentToni R. Preckwinkle (D)
 • County Board17 commissioners
Area
 • County1,635 sq mi (4,230 km2)
 • Land945 sq mi (2,450 km2)
 • Water690 sq mi (1,800 km2)
 • Metro
10,874 sq mi (28,160 km2)
Area rank6th largest county in Illinois
Highest elevation
[1][2]
950 ft (290 m)
Lowest elevation
[1][3]
580 ft (180 m)
Population
 (2010)
 • County5,194,675
 • Estimate 
(2015)
5,238,216
 • Rank1st largest county in Illinois
2nd largest county in U.S.
 • Density5,530/sq mi (2,140/km2)
 • Metro
9,522,434
Time zoneUTC-6 (Central)
 • Summer (DST)UTC-5 (Central)
ZIP Code prefixes
600xx thru 608xx
Area codes224/847, 312/872, 773/872, 708
Congressional districts1st, 2nd, 3rd, 4th, 5th, 6th, 7th,
8th, 9th 10th and 11th
FIPS code17-031
GNIS feature ID1784766
Interstates
U.S. Routes
State Routes
AirportsChicago O'Hare International
Chicago Midway International
Chicago Executive
Lansing Municipal
Schaumburg Regional
WaterwaysLake Michigan – Chicago River
Chicago Sanitary and Ship Canal
Calumet River – Des Plaines River
North Shore Channel
Amtrak stationsChicago Union Station
Glenview – Homewood
La Grange – Summit
Public transitChicago Transit Authority (CTA)
Metra – Pace – South Shore Line
Websitewww.cookcountyil.gov

About 5,231,000 people live in Cook County.[5] This is 40.6 percent of all the people who live in Illinois. Cook County's population is more than the population of 29 U.S. states. More people live in Cook County than in the seven smallest U.S. states combined. There is a tax on canned beverages in Cook County.[6]

References
  1. "Lowest and Highest Points in Cook County". Illinois State Geological Survey. Retrieved 2016-11-30. Greater than 950 ft max and Less than 580 ft min
  2. Streamwood Quadrangle – Illinois – Cook Co (Map). 1:24,000. 7.5-Minute Series (Topographic). United States Geological Survey. 2013.
  3. Chicago Loop Quadrangle – Illinois – Cook Co (Map). 1:24,000. 7.5-Minute Series (Topographic). United States Geological Survey. 2013.
  4. http://newsblogs.chicagotribune.com/clout_st/2008/07/cook-county-boa.html | Clout St: Cook County Board rejects sales tax increase repeal
  5. "Cook County QuickFacts". US Census Bureau. Archived from the original on 16 July 2015. Retrieved 22 June 2013.
  6. "County Population Estimates".

Other websites

Media related to Cook County, Illinois at Wikimedia Commons


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