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The Maine Senate race is the state's headline race, rated Toss-Up by Cook Political Report.

Every seat in the delegation below, in district order. A colored band across the top of a cell means a rater has made a claim about that race. A cell with no band is a settled seat, tinted by its 2024 presidential margin, which is a measured past result and not a 2026 forecast.

Fig. 2 · The Maine delegation

All 2 Maine House seats carry a rating.

Ratings Cook Political Report and Sabato's Crystal Ball, as of September 3, 2026. A band means a rater made a claim.
Baselines 2024 presidential vote, The Downballot, as of August 10, 2026. A tint with no band is a measured past result.
Receipts FEC filings, as of July 12, 2026. This is the Maine as-of date, not a site-wide one.
01 Solid D 02 Likely R
Senate seat, on the 2026 ballot. Rated Toss-Up by Cook Political Report, September 3, 2026. · Primary June 9: Platner, Mills, Costello (D) against Susan Collins (R)

Maine races rated Toss-Up

1of 3

Maine Senate. It is the only race in Maine that either rater declines to call for a party.

Maine races no rater covers

0of 3

Every Maine race carries a rating this cycle.

How a cell is encoded, and on what evidence

Rater judgment A handicapper's published claim about a specific race.

  • Toss-Up, band across the top
  • Solid D, band
  • Likely R, band

Ratings drawn from Cook Political Report and Sabato’s Crystal Ball , current as of September 3, 2026. Settled seats are tinted by their 2024 presidential-vote baseline as of August 10, 2026, sourced from The Downballot, and carry no band, because a baseline is a measured past result and never a rating. Fundraising figures from FEC filings, as of July 12, 2026.

Fig. 2

What the delegation says

The Maine Senate race is the state's headline race, rated Toss-Up by Cook Political Report.

How to vote in Maine

Registration deadlines, ID rules, and early-voting dates vary by state and by election. Thin Gold does not track these facts directly; the links above go straight to the authorities that do. Link set checked August 13, 2026.

The full Maine delegation, all 3 races Open the table · 3 rows
Race Rating Candidates Raised (D / R)
Maine Senate Toss-Up Primary June 9: Platner, Mills, Costello (D) vs Susan Collins (R) $34.1M / $16.2M
Maine 2nd District Likely R Candidates TBD $4.5M / $2.6M
Maine 1st District Solid D Candidates TBD $449.7K / $101.8K