| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1972 | IL | R | State House | District 031 | General | 1 | 46,497 | 28.1% | |
| 1974 | IL | R | State House | District 031 | General | 1 | 31,078 | 30.6% | |
| 1976 | IL | R | State House | District 031 | General | 1 | 51,971 | 31.6% | |
| 1978 | IL | R | State Senate | District 031 | General | 1 | 23,875 | 60.4% | |
| 1982 | IL | R | State Senate | District 031 | General | 1 | 25,730 | 65.7% | |
| 1984 | IL | R | State Senate | District 031 | General | 1 | 37,792 | 68.7% | |
| 1986 | IL | R | Comptroller | Primary | 1 | 415,009 | 100.0% | ||
| 1986 | IL | R | Comptroller | General | 2 | 1,074,923 | 35.1% | ||
| 1988 | IL | R | State Senate | District 031 | General | 1 | 34,430 | 66.4% | |
| 1992 | IL | R | State Senate | District 031 | General | 1 | 53,238 | 67.0% | |
| 1996 | IL | R | State Senate | District 031 | General | 1 | 57,067 | 100.0% | |
| 1998 | IL | R | State Senate | District 031 | General | 1 | 47,504 | 100.0% | |
| 2002 | IL | R | State Senate | District 031 | General | 1 | 37,172 | 69.0% | |
| 2006 | IL | R | State Senate | District 031 | Primary | 2 | 8,452 | 44.3% | |
|
Age: Age as of July 1 of the year pertaining to this election. |