2018Flipped from RepublicanFinal results
2018 election for New Hampshire Senate District 9
New Hampshire State Senate · New Hampshire
Jeanne Dietsch (D) won with 52.3% of the vote, defeating Dan Hynes (R) by 4.7 points, a seat Republicans won last time.
Jeanne DietschDemocrat · winner
52.3%14,037
Dan HynesRepublican
47.6%12,776
26,834 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET