Cook County, Illinois
Medium geo area Health clinic
Cook County is a county in the U.S. state of Illinois. It is the second-most populous county in the United States after Los Angeles County, California. As of 2015, the population was 5,238,216. Its county seat is Chicago, the largest city in Illinois and third-most populous city in the United States. More than 40% of all residents of Illinois live in Cook County. Read more
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Popularity of Cook County, Illinois
Social Media Popularity Score:
This value is based on the number of visitors, checkins, and likes on Facebook in the last few months.
Most activity in March:
Cook County, Illinois has a total of 63293 visitors (checkins) and 2543 likes.