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New Hampshire Senate

  • Chris Pappas (Dem)
  • Scott Brown (Rep)

Democrats are favored, winning in 94 in 100 simulations.

Forecast detail

as of Aug 17, 2026, 3:27 AM UTC

Rating

Favors Dem

Win probability

D 94%

Estimated margin

D+10.4

5th–95th interval

R+0.8 to D+21.6

Win probability over time

Dem win probability Rep win probability Tossup band

Polls

Dem-leaning poll Rep-leaning poll current average: D+13.0

Pollster Dates Sample Results Margin House adj. Source
Saint Anselm College Jun 24–Jun 25, 2026 1,614 rv Chris Pappas 48.0% Scott Brown 36.0% D+12.0 Source
University of New Hampshire Jun 18–Jun 23, 2026 2,232 lv Chris Pappas 52.0% Scott Brown 38.0% D+14.0 Source
University of New Hampshire Apr 17–Apr 21, 2026 1,295 lv Chris Pappas 52.0% Scott Brown 38.0% D+14.0 Source
Emerson College Mar 21–Mar 23, 2026 1,000 lv Chris Pappas 48.0% Scott Brown 39.0% D+9.0 D+7.9 D+1.1 lean removed Source
Saint Anselm College Mar 16–Mar 18, 2026 1,491 rv Chris Pappas 47.0% Scott Brown 38.0% D+9.0 Source
University of New Hampshire Jan 15–Jan 19, 2026 2,053 lv Chris Pappas 52.0% Scott Brown 42.0% D+10.0 Source
NHJournal/Praecones Analytica Dec 26–Dec 28, 2025 603 rv Chris Pappas 46.0% Scott Brown 28.0% D+18.0 Source
Guidant Polling and Strategy Dec 9–Dec 11, 2025 600 lv Chris Pappas 49.0% Scott Brown 38.0% D+11.0 Source
Saint Anselm College Nov 18–Nov 19, 2025 2,212 rv Chris Pappas 44.0% Scott Brown 36.0% D+8.0 Source
co/efficient Oct 9–Oct 13, 2025 1,034 lv Chris Pappas 49.0% Scott Brown 39.0% D+10.0 D+10.7 R+0.7 lean removed Source
University of New Hampshire Sep 17–Sep 23, 2025 1,235 lv Chris Pappas 52.0% Scott Brown 37.0% D+15.0 Source
co/efficient Sep 10–Sep 12, 2025 904 lv Chris Pappas 50.0% Scott Brown 40.0% D+10.0 D+10.7 R+0.7 lean removed Source
Saint Anselm College Aug 26–Aug 27, 2025 1,776 rv Chris Pappas 48.0% Scott Brown 37.0% D+11.0 Source

Dispatches about this race

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