2016Final results
2016 election for New Hampshire Senate District 4
New Hampshire State Senate · New Hampshire
David Watters (D) won with 55.2% of the vote, defeating Bill Oconnor (R) by 10.4 points.
David WattersDemocrat · winner · incumbent
55.2%15,144
Bill OconnorRepublican
44.8%12,283
27,447 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET