| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1972 | IL | R | State House | District 033 | General | 1 | 72,627 | 32.3% | |
| 1974 | IL | R | State House | District 033 | General | 1 | 43,920 | 31.4% | |
| 1976 | IL | R | State House | District 033 | General | 1 | 86,780 | 34.4% | |
| 1978 | IL | R | State House | District 033 | General | 1 | 72,698 | 44.6% | |
| 1980 | IL | R | U.S. House | District 13 | Primary | 2 | 26,668 | 39.8% | |
| 1982 | IL | R | Comptroller | General | 2 | 1,210,467 | 33.5% | ||
| 1992 | IL | R | State House | District 064 | General | 1 | 27,948 | 59.3% | |
| 1994 | IL | R | State House | District 064 | General | 1 | 26,636 | 100.0% | |
| 1996 | IL | R | State House | District 064 | General | 1 | 30,246 | 67.8% | |
| 1998 | IL | R | State House | District 064 | Primary | 1 | 8,097 | 51.4% | |
| 1998 | IL | R | State House | District 064 | General | 1 | 19,539 | 54.6% | |
| 2000 | IL | R | State House | District 064 | Primary | 2 | 8,127 | 43.1% | |
| 2002 | IL | Libertarian | Governor | General | 3 | 73,794 | 2.1% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |