Prospect Heights is a city in Cook County, Illinois, United States, and is a suburb of Chicago.

25.00% of all households were made up of individuals, and 11.74% had someone living alone who was 65 years of age or older.

On April 5, 2011, Nicholas "Nick" Helmer was elected Mayor of Prospect Heights with 70% of the vote.

[9] Less than thirty days after being sworn in, Mayor Helmer rehired police officers that were laid off by the prior administration.

In addition to Pace buses, Prospect Heights is serviced by two Metra lines, with service to Chicago Union Station or Antioch from a station on the North Central Service, while the Union Pacific / Northwest Line has two stations nearby.