| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1982 | IL | R | State House | District 037 | General | 1 | 17,257 | 60.0% | |
| 1984 | IL | R | State House | District 037 | General | 1 | 28,809 | 71.2% | |
| 1986 | IL | R | State House | District 037 | General | 1 | 23,030 | 100.0% | |
| 1988 | IL | R | State House | District 037 | General | 1 | 31,574 | 67.5% | |
| 1990 | IL | R | State House | District 037 | General | 1 | 25,190 | 100.0% | |
| 1994 | IL | R | Comptroller | General | 1 | 1,615,122 | 55.0% | ||
| 1998 | IL | R | U.S. Senate Class 3 | Primary | 2 | 346,606 | 48.2% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |