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There are 102 counties in Illinois. The most populous of these is Cook County, the second-most populous county in the United States and the home of Chicago, while the least populous is Hardin County. The largest by land area is McLean County, while the smallest is Putnam County. Illinois's FIPS state code is 17 and its postal abbreviation is IL ...
www.cookcountyil.gov. Cook County is the most populous county in the U.S. state of Illinois and the second-most-populous county in the United States, after Los Angeles County, California. More than 40 percent of all residents of Illinois live within Cook County. As of 2020, the population was 5,275,541. The county seat is Chicago, the most ...
The U.S. State of Illinois currently has 47 statistical areas that have been delineated by the Office of Management and Budget (OMB). On July 21, 2023, the OMB delineated 14 combined statistical areas, 12 metropolitan statistical areas, and 21 micropolitan statistical areas in Illinois. [1] As of 2023, the largest of these is the Chicago ...
Locally, Sangamon County saw a decrease from July 1 of 2020 to 2023 of 196,144 to 193,491, or 1.35% of the county's population was lost. An aerial view of Springfield is seen on Monday, April 1, 2024.
Almost 60% of Illinois' minority population, including over 67% of the black population, lives in Cook County, while the county includes around 40% of the state's total population. [101] Cook County, which is home to Chicago, is the only majority-minority county within Illinois, with non-Hispanic whites making up a plurality of 40.4% of the ...
The administrative divisions of Illinois are counties, townships, precincts, cities, towns, villages, and special-purpose districts. [1] The basic subdivisions of Illinois are the 102 counties. [2] Illinois has more units of local government than any other state—over 8,000 in all. [3] The Constitution of 1970 created, for the first time in ...
McLean County, Illinois. Illinois. (2020) McLean County is the largest county by land area in the U.S. state of Illinois. According to the 2020 Census, it had a population of 170,954. [ 1 ] Its county seat is Bloomington. [ 2 ] McLean County is included in the Bloomington–Normal, IL Metropolitan Statistical Area.
McHenry County is a county located in the U.S. state of Illinois. According to the 2020 Census, it had a population of 310,229, [2] making it the sixth-most populous county in Illinois. Its county seat is Woodstock. [3] McHenry County is one of the five Illinois collar counties in the Chicago - Naperville - Elgin, IL- IN - WI Metropolitan ...