2018 general · November 6, 2018
2018 New Hampshire State Senate election results, district by district
Every New Hampshire State Senate district in the 2018 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Democrats controlled the chamber · 24 seats
After the electionD 14 · R 10
Races24
Changed party6
Unopposed4%1 races
Incumbents defeated5
Every district
D 14 · R 10
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-1 | David J. Starr (R) | 9.4 | FlippedIncumbent lost |
| SD-2 | Bob Giuda (R) | 3.2 | |
| SD-3 | Jeb Bradley (R) | 15.0 | |
| SD-4 | David Watters (D) | Unopposed | |
| SD-5 | Martha Hennessey (D) | 42.3 | |
| SD-6 | James Gray (R) | 9.8 | |
| SD-7 | Harold F. French (R) | 6.8 | |
| SD-8 | Ruth Ward (R) | 2.6 | |
| SD-9 | Jeanne Dietsch (D) | 4.7 | Flipped |
| SD-10 | Jay Kahn (D) | 32.5 | |
| SD-11 | Shannon E. Chandley (D) | 4.5 | FlippedIncumbent lost |
| SD-12 | Melanie Levesque (D) | 0.7 | FlippedIncumbent lost |
| SD-13 | Cindy Rosenwald (D) | 21.8 | |
| SD-14 | Sharon Carson (R) | 15.3 | |
| SD-15 | Dan Feltes (D) | 32.5 | |
| SD-16 | Kevin J. Cavanaugh (D) | 4.6 | |
| SD-17 | John Reagan (R) | 10.9 | |
| SD-18 | Donna M. Soucy (D) | 12.0 | |
| SD-19 | Regina Birdsell (R) | 13.6 | |
| SD-20 | Lou Dallesandro (D) | 16.8 | |
| SD-21 | Martha Fuller Clark (D) | 44.5 | |
| SD-22 | Chuck Morse (R) | 19.1 | |
| SD-23 | Jon Morgan (D) | 0.4 | FlippedIncumbent lost |
| SD-24 | Tom Sherman (D) | 6.2 | FlippedIncumbent lost |
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: MIT Election Data and Science Lab