Democrats aren't contesting any Republican-held seats this year, so control can't change in 2026.
| Seat | Current member | Weighted vote | 2026 race |
|---|---|---|---|
| Brookfield | Loren Corbin D | 52 | Contested Loren C. Corbin D vs. Jonathan Haar R |
| Cazenovia | Kyle M. Reger R | 152 | Seat not up for election |
| DeRuyter | Rex M. Vosburg R | 30 | Unopposed Kevin M. Pierce Sr. R |
| Eaton | Joseph Wicks R | 98 | Seat not up for election |
| Fenner | David Jones R | 38 | Unopposed Dave Jones R |
| Georgetown | Paul H. Walrod R | 15 | Unopposed Paul H. Walrod R |
| Hamilton | Dana L. Krueger D | 144 | Seat not up for election |
| Lebanon | Adam Carvell D | 31 | Unopposed Adam Carvell DO |
| Lenox | Meghan Coe-Samsel R | 196 | Seat not up for election |
| Lincoln | Melissa A. During R | 42 | Unopposed Jon E. Black RO |
| Madison | Gregory M. Reuter R | 63 | Seat not up for election |
| Nelson | James J. Cunningham R | 44 | Unopposed James J. Cunningham R |
| Oneida (city) Wards 1-2-3 (1 of 2) | Mary Cavanagh R | 60 | Seat not up for election |
| Oneida (city) Wards 1-2-3 (2 of 2) | Matthew A. Roberts R | 60 | Seat not up for election |
| Oneida (city) Wards 4-5-6 (1 of 2) | Brandee DuBois Henderson R | 58 | Seat not up for election |
| Oneida (city) Wards 4-5-6 (2 of 2) | Michelle Ironside Kinville R | 58 | Seat not up for election |
| Smithfield | Thomas J. Stokes R | 26 | Contested William A. Graham RC vs. Thomas J. Stokes O |
| Stockbridge | Alexander R. Stepanski R | 45 | Seat not up for election |
| Sullivan | Thomas G. Daviau R | 288 | Seat not up for election |