Democrats aren't contesting any Republican-held seats this year, so control can't change in 2026.
| Seat | Current member | 2026 race |
|---|---|---|
| District 1 | Gregory Malta Sr. R | Unopposed Gregory Malta Sr. RC |
| District 2 | Mark E. Gaworecki R | Unopposed Mark E. Gaworecki RC |
| District 3 | Robert J. Schrader R | Unopposed Robert J. Schrader RC |
| District 4 | Gene A. Wedemeyer Jr. R | Unopposed Gene A. Wedemeyer Jr. RC |
| District 5 | John R. Brewer R | Unopposed Michael J. Emrich R |
| District 6 | Cynthia A. Bennett R | Unopposed Cynthia A. Bennett RC |
| District 7 | William E. Keeler Sr. R | Unopposed William E. Keeler Sr. R |
| District 8 | John L. Brezinski D | Contested John L. Brezinski DOC vs. Steven A. Long R |
| District 9 | Michael A. Bick R | Unopposed Michael A. Bick R |
| District 10 | Rodney G. Swartz R | Unopposed Rodney G. Swartz RC |
| District 11 | Anthony J. Lucenti R | Unopposed Anthony J. Lucenti RC |
| District 12 | Kurt J. Ackerman R | Unopposed Kurt J. Ackerman R |
| District 13 | Raymond J. Donley R | Unopposed Raymond J. Donley RC |
| District 14 | Peter J. Campione R | Unopposed Peter J. Campione RC |
| District 15 | Donald R. Haehl R | Unopposed Donald R. Haehl RC |
| District 16 | Kelly A. Wares R | Unopposed Kelly A. Wares RC |
| District 17 | William W. Weakley R | Unopposed William W. Weakley R |