Democrats aren't contesting any Republican-held seats this year, so control can't change in 2026.
| Seat | Current member | Weighted vote | 2026 race |
|---|---|---|---|
| Arcade | A.D. Berwanger R | 22 | Seat not up for election |
| Attica | Bryan Kehl R | 20 | Unopposed Bryan Kehl R |
| Bennington | Mark Prior R | 17 | Unopposed Mark Prior RC |
| Castile | Stanley Klein R | 15 | Unopposed Stanley R. Klein R |
| Covington | Nathan Rudgers R | 7 | Seat not up for election |
| Eagle | Mike Roche D | 6 | Seat not up for election |
| Gainesville | David Granger D | 11 | Contested David G. Granger D vs. Gregory J. Merrill R |
| Genesee Falls | LuAnne Roberts R | 2 | Seat not up for election |
| Java | Vanessa McCormick R | 11 | Seat not up for election |
| Middlebury | Daniel Leuer R | 7 | Seat not up for election |
| Orangeville | Susan May R | 7 | Seat not up for election |
| Perry | James R. Brick R | 26 | Seat not up for election |
| Pike | Eric Smith I | 6 | Unopposed Eric S. Smith RO |
| Sheldon | Brian Becker R | 13 | Seat not up for election |
| Warsaw | Stephen Perkins R | 27 | Seat not up for election |
| Wethersfield | Mark Merrill R | 4 | Seat not up for election |