| Cook County Illinois Cities/Towns - Alsip, Arlington Heights, Barrington Hills, Berwyn, Blue Island, Brookfield, Burbank, Cicero, Chicago (County Seat), Chicago Heights, Des Plaines, Dolton, Elgin, Elk Grove Village, Evanston, Franklin Park, Glenview, Glenwood, Harvey, Hillside, La Grange, La Grange Park, Lemont, Lyons, Maywood, Melrose Park, Niles, Norridge, Northbrook, Oak Forest, Oak Lawn, Oak Park, Orland Park, Palatine, Palos Heights, Palos Hills, Park Forest, Park Ridge, Prospect Heights, Rolling Meadows, Sauk Village, Schaumburg, Skokie, Tinley Park, Westchester, Wheeling, Wilmette, Winnetka, Worth |
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Your Ad Here Cook County is a county in the U.S. state of Illinois. According to 2008 US Census Bureau estimates, the county has 5,294,664 residents.The county seat is Chicago. History Cook County was created on January 15, 1831. It was named after Daniel Cook, one of the earliest and youngest statesmen in Illinois history, who served as the second U.S. Representative from Illinois and the first Attorney General of the State of Illinois.  |