| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1974 | IL | R | U.S. House | District 24 | Primary | 2 | 7,095 | 21.3% | |
| 1982 | IL | R | U.S. House | District 21 | General | 2 | 46,764 | 33.3% | |
| 1984 | IL | R | U.S. House | District 21 | Primary | 1 | 6,268 | 43.3% | |
| 1984 | IL | R | U.S. House | District 21 | General | 2 | 84,148 | 39.8% | |
| 1986 | IL | R | U.S. House | District 21 | Primary | 1 | 7,213 | 69.2% | |
| 1986 | IL | R | U.S. House | District 21 | General | 2 | 64,779 | 49.6% | |
| 1988 | IL | R | U.S. House | District 21 | Special Primary | 1 | 16,344 | 100.0% | |
| 1988 | IL | R | U.S. House | District 21 | Special | 2 | 31,257 | 48.5% | |
| 1988 | IL | R | U.S. House | District 21 | General | 2 | 95,385 | 47.4% | |
| 1990 | IL | R | U.S. House | District 21 | General | 2 | 48,949 | 34.0% | |
|
Age: Age as of July 1 of the year pertaining to this election. |