The City of Chicago Heights has a mayor-aldermanic government. The mayor serves as the chief executive of the City and oversees the operations of the municipal departments. The City is divided into six wards, each represented by an alderman. The mayor and the aldermen serve four-year terms. The next municipal election will take place in April 1999.
The City Council meets at 7:30 p.m. on the first and third Mondays of the month at the Municipal Building, 1601 Chicago Road.
The City's elected officials:
| Mayor: | Angelo A. Ciambrone | 708-756-5315 | |
| Aldermen: | Ward 1: | Willie J. White | 708-756-5322 |
| Ward 2: | Francisco Perez | 708-756-5368 | |
| Ward 3: | Oliver R. Alexander | 708-756-5016 | |
| Ward 4: | Dave Zerante | 708-756-5017 | |
| Ward 5: | Lisa M. Aprati | 708-756-5018 | |
| Ward 6: | Michael A. Sabo | 708-756-5019 | |
The City's appointed officials:
| Adm. Services Mgr: | Paulnita Rees | 708-756-5316 |
| Asst. to Mayor: | Dominic Candeloro | 708-756-5317 |
| Corp. Counsel: | August Anzelmo | 708-756-5318 |
| Treasurer: | Joan Bauer | 708-756-5312 |
| Clerk: | Rachel Vega | 708-756-5311 |
| City Grant Administrator: | Karla Osantowski | 708-756-6400 |
| Police Chief: | Gerry Billups | 708-756-6400 |
| Fire Chief: | Theodore Brown | 708-756-5370 |
| City Planner: | Joseph Christofanelli | 708-756-5326 |
| Building Dept. Supt: | Joseph Doughney | 708-756-5328 |
| Water Dept. Supt: | Douglas Foster | 708-756-5380 |
| Street Dept. Supt: | Al Marconi | 708-756-5362 |
| Housing Dept. Dir: | Phil Russo | 708-756-6530 |
| Purchasing Mgr: | John Foushi | 708-756-5340 |
| EMA Director: | Donald Bechard | 708-756-5376 |