2022Final results
2022 election for New Hampshire Senate District 4
New Hampshire State Senate · New Hampshire
David Watters (D) won with 63.3% of the vote, defeating Seamus Casey (R) by 26.6 points.
David WattersDemocrat · winner · incumbent
63.3%15,879
Seamus CaseyRepublican
36.7%9,207
25,097 votes
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET
The seat over time
D − R margin in this seat's races around 2022
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET