2018Final results
2018 election for New Hampshire Senate District 17
New Hampshire State Senate · New Hampshire
John Reagan (R) won with 55.4% of the vote, defeating Christopher Roundy (D) by 10.9 points.
John ReaganRepublican · winner · incumbent
55.4%13,172
Christopher RoundyDemocrat
44.5%10,578
23,766 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