This office does not issue business licenses. To obtain a license, contact the City Hall in the city where the business will be conducted. (or click here for a listing). For a business to be conducted in an unincorporated area of the County, contact the Los Angeles County Business License office at (213) 974-0093.
Chicago is the largest city in the state and the third most populous city in the United States, with its 2010 population of 2,695,598. The U.S. Census Bureau currently lists seven other cities with populations of over 100,000 within Illinois.
The United States Census Bureau estimates that the population of Illinois was 12,802,023 in 2017, moving from the fifth-largest state to the sixth-largest state (losing out to Pennsylvania). Illinois' population declined by 33,700 people from July 2016 to July 2017, making it the worst decline of any state in the U.S. in raw terms.