| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1992 | IL | R | State House | District 084 | General | 1 | 19,547 | 58.0% | |
| 1994 | IL | R | State House | District 084 | General | 1 | 17,481 | 100.0% | |
| 1996 | IL | R | State House | District 084 | General | 1 | 19,794 | 65.3% | |
| 1998 | IL | R | State House | District 084 | General | 1 | 21,318 | 100.0% | |
| 2000 | IL | R | State House | District 084 | General | 1 | 30,441 | 100.0% | |
| 2002 | IL | R | State House | District 084 | General | 1 | 28,701 | 100.0% | |
| 2004 | IL | R | State House | District 084 | General | 1 | 49,755 | 100.0% | |
| 2006 | IL | R | State House | District 084 | General | 1 | 34,760 | 100.0% | |
| 2008 | IL | R | State House | District 084 | General | 1 | 45,491 | 59.8% | |
| 2010 | IL | R | State House | District 084 | General | 1 | 34,966 | 68.2% | |
| 2012 | IL | R | State House | District 097 | Primary | 1 | 8,745 | 100.0% | |
| 2012 | IL | R | State House | District 097 | General | 1 | 37,494 | 100.0% | |
| 2014 | IL | R | Treasurer | Primary | 1 | 397,691 | 57.4% | ||
| 2014 | IL | R | Treasurer | General | 2 | 1,685,659 | 47.8% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |