While Illinois’ total population grew slightly last year, many areas of the state experienced population decline. People moved out of state from half the counties.

New York and California both lost a similar proportion of their population, at 0.61 percent. Alaska and Illinois were also ...

Chicagoland’s population has been boosted by international migrants in recent years. But 347,000 residents left for other ...

Hunters in Illinois harvested 649 mountain lions during the 2024-2025 season, with 674 bobcats also harvested, as the state’s population continues to increase.