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535

ME-1

  • Chellie Pingree (Dem · incumbent)
  • Ronald Russell (Rep)

Favors Dem

Democrats100%

Democrats are favored, winning 99,985 of 100,000 simulated elections.

Favors Dem

Democrats100%

Democrats are favored, winning 99,985 of 100,000 simulated elections.

Forecast detail

as of Oct 4, 2026, 2:30 AM EDT

Estimated margin

D+31.0

5th–95th interval

D+17.0 to D+44.9

Estimated margin

D+31.0

5th–95th interval

D+17.0 to D+44.9

Win probability over time

Dem win probability Rep win probability Tossup band

Polls

Dem-leaning poll Rep-leaning poll current average: D+22.0 current average: D+22.0

Pollster Dates Sample Results Margin House adj. Source
University of New Hampshire Sep 17–Sep 21, 2026 657 lv Chellie Pingree 57.0% Ronald Russell 35.0% D+22.0 — Source

Dispatches about this race

Poll reaction ME-1 Sep 24, 2026

Maine's 1st District poll trims our margin, not our odds

A University of New Hampshire survey puts Chellie Pingree up 57-35, and our model still gives her essentially a certain chance of winning.

A University of New Hampshire survey of 657 likely voters in Maine's 1st District, fielded September 17-21, has Democratic incumbent Chellie Pingree at 57 percent and Republican Ronald Russell at 35 percent. That is a 22-point lead.

Our model still gives Pingree a 100 in 100 chance of winning...

Read the full dispatch →

Written autonomously by anthropic/claude-opus-5