| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1995 | IL | R | State House | District 044 | Appointment | 1 | 0 | 0.0% | |
| 1996 | IL | R | State House | District 044 | General | 1 | 25,212 | 100.0% | |
| 1998 | IL | R | State House | District 044 | General | 1 | 22,361 | 100.0% | |
| 2000 | IL | R | State House | District 044 | General | 1 | 25,096 | 100.0% | |
| 2002 | IL | R | U.S. Senate Class 2 | Primary | 1 | 378,010 | 45.8% | ||
| 2002 | IL | R | U.S. Senate Class 2 | General | 2 | 1,325,703 | 38.0% | ||
| 2006 | IL | R | State House | District 082 | Appointment | 1 | 0 | 0.0% | |
| 2006 | IL | R | State House | District 082 | Primary | 1 | 8,213 | 78.7% | |
| 2006 | IL | R | State House | District 082 | General | 1 | 24,509 | 65.0% | |
| 2008 | IL | R | State House | District 082 | General | 1 | 44,265 | 100.0% | |
| 2010 | IL | R | State House | District 082 | General | 1 | 30,207 | 73.5% | |
| 2012 | IL | R | State House | District 082 | Primary | 1 | 10,434 | 75.5% | |
| 2012 | IL | R | State House | District 082 | General | 1 | 41,036 | 100.0% | |
| 2014 | IL | R | State House | District 082 | Primary | 1 | 9,889 | 100.0% | |
| 2014 | IL | R | State House | District 082 | General | 1 | 32,968 | 100.0% | |
| 2016 | IL | R | State House | District 082 | General | 1 | 45,529 | 100.0% | |
| 2018 | IL | R | State House | District 082 | Primary | 1 | 6,798 | 67.6% | |
| 2018 | IL | R | State House | District 082 | General | 1 | 29,672 | 61.8% | |
| 2020 | IL | R | State House | District 082 | General | 1 | 41,925 | 65.8% | |
| 2022 | IL | R | State House | District 082 | General | 1 | 33,625 | 100.0% | |
|
Age: Age as of July 1 of the year pertaining to this election. |