| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1980 | IL | R | State House | District 004 | General | 2 | 70,140 | 27.2% | |
| 1982 | IL | R | State Senate | District 028 | General | 1 | 38,344 | 54.8% | |
| 1984 | IL | R | State Senate | District 028 | General | 1 | 56,733 | 66.1% | |
| 1988 | IL | R | State Senate | District 028 | General | 1 | 59,443 | 69.8% | |
| 1990 | IL | R | Lt. Governor | General | 1 | 0 | 0.0% | ||
| 1994 | IL | R | Lt. Governor | General | 1 | 0 | 0.0% | ||
| 1996 | IL | R | U.S. Senate Class 2 | Primary | 2 | 342,935 | 43.3% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |