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Cook County contains 134 municipalities in its region, the most well known being the City of Chicago – which is the County seat where the central offices of Cook County are located.
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.
Cook County is an urban county in the upper northeastern section of the State of Illinois that contains more than 800 local governmental units within its boundaries.
Aug 1, 2016 · The Cook County Property Tax Portal is the result of collaboration among the elected officials who take part in the property tax system; the Portal consolidates information and delivers Cook County taxpayers a one-stop customer service website.
The government of Cook County, Illinois, is primarily composed of the Board of Commissioners, other elected officials such as the Sheriff, State's Attorney, Treasurer, Board of Review, Clerk, Assessor, Cook County Circuit Court judges and Circuit Court Clerk, as well as numerous other officers and entities.
Jun 18, 2024 · The ages, races, and population density of Cook County, Illinois tell a story. Understand the shifts in demographic trends with these charts visualizing decades of population data.
Cook County, IL is home to a population of 5.23M people, from which 90.2% are citizens. As of 2022, 20.9% of Cook County, IL residents were born outside of the country (1.09M people).
Because of population growth in northeastern Illinois in the 1830s, Cook County lost over half its territory, but continued to increase in population. By 1839, it comprised 954 square miles and followed its current irregular boundaries.
There are 166 cities in Cook County, Illinois. Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
Cook County, located in the state of Illinois, is a diverse and bustling county that is home to the city of Chicago. Renowned for its rich cultural, culinary, and architectural offerings, this county is a vibrant urban hub with a multitude of attractions.
