2020 general · November 3, 2020
2020 New Hampshire State Senate election results, district by district
Every New Hampshire State Senate district in the 2020 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Republicans controlled the chamber · 24 seats
After the electionD 10 · R 14
Races24
Changed party4
Unopposed0%0 races
Incumbents defeated4
Every district
D 10 · R 14
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-1 | Erin Tapper Hennessey (R) | 14.6 | |
| SD-2 | Bob Giuda (R) | 11.6 | |
| SD-3 | Jeb Bradley (R) | 23.0 | |
| SD-4 | David Watters (D) | 22.7 | |
| SD-5 | Sue Prentiss (D) | 32.9 | |
| SD-6 | James Gray (R) | 15.5 | |
| SD-7 | Harold F. French (R) | 15.9 | |
| SD-8 | Ruth Ward (R) | 11.1 | |
| SD-9 | Denise Ricciardi (R) | 1.2 | FlippedIncumbent lost |
| SD-10 | Jay Kahn (D) | 25.1 | |
| SD-11 | Gary Daniels (R) | 0.5 | FlippedIncumbent lost |
| SD-12 | Kevin Avard (R) | 2.3 | FlippedIncumbent lost |
| SD-13 | Cindy Rosenwald (D) | 17.1 | |
| SD-14 | Sharon Carson (R) | 17.7 | |
| SD-15 | Becky Whitley (D) | 26.7 | |
| SD-16 | Kevin J. Cavanaugh (D) | 3.6 | |
| SD-17 | John Reagan (R) | 20.2 | |
| SD-18 | Donna M. Soucy (D) | 10.8 | |
| SD-19 | Regina Birdsell (R) | 15.1 | |
| SD-20 | Lou Dallesandro (D) | 12.8 | |
| SD-21 | Rebecca Perkins Kwoka (D) | 34.1 | |
| SD-22 | Chuck Morse (R) | 29.5 | |
| SD-23 | Bill Gannon (R) | 6.6 | FlippedIncumbent lost |
| SD-24 | Tom Sherman (D) | 4.7 |
New Hampshire State Senate
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: Harvard Dataverse / Carl Klarner; MIT Election Data and Science Lab