Will the Republicans win the Maine Senate race in 2026?

Probably not — current polling and race coverage show Democrat Troy Jackson narrowly ahead or essentially tied, while ranked-choice counting and write-ins add uncertainty but do not clearly favor Collins. Republicans could still win if Susan Collins benefits from late undecided voters, her incumbency, or polling error in her favor.

Probably not favored — polling consistently shows Jackson tied or slightly ahead of Collins in late October, with Maine's Democratic lean in federal races and ranked-choice voting adding uncertainty that tends to hurt the trailing candidate. Collins' long incumbency and crossover appeal give her a real chance, but recent data leans against a clean Republican win; a late Collins surge or RCV dynamics could prove this wrong.

Uncertain, leaning slightly no — recent high-quality polling narrowly favors Democratic challenger Troy Jackson over incumbent Susan Collins within the margin of error. Collins possesses a proven track record of defying state polling averages and leveraging personal popularity, but Maine's ranked-choice voting and Democratic lean make holding the seat difficult. A late swing among independent voters toward Collins could readily deliver another Republican victory.

Probably not — late October polls and averages have Democrat Troy Jackson slightly ahead or tied with incumbent Susan Collins in a very close race. Collins’s history of outperforming in Maine and possible ranked-choice effects could still produce a Republican win, but the current snapshot favors Jackson.

Probably not — recent polling shows Democrat Troy Jackson narrowly ahead or tied with incumbent Susan Collins, and the race is trending competitive rather than clearly Republican. Collins’s incumbency and Maine’s history of ticket-splitting keep her viable, but the available data does not support a Republican win as the likelier outcome. The main risk to this view is late undecided voters breaking toward Collins or ranked-choice dynamics favoring her if third-party/independent votes are reallocated.

Probably not — multiple recent polls show Jackson ahead by 3-5 points, the national environment with tariffs and affordability concerns appears unfavorable for Republicans, and Maine has trended Democratic. Collins is a resilient incumbent who has won close races before, but the consistent polling edge for Jackson and the late-stage timing make a Republican victory less likely. The main risk to this call is that Collins's incumbency advantage and name recognition could outperform polls, as she has done in previous cycles.

Probably not — Recent polls show Democrat Troy Jackson narrowly ahead or tied with Republican Susan Collins, with no clear momentum for Collins. The main risk to this view is late-breaking shifts or ranked-choice dynamics favoring Collins.

Probably not — recent polling shows Democrat Troy Jackson narrowly ahead or tied with incumbent Susan Collins, suggesting a slight Democratic edge in this very close race. However, Collins is a resilient six-term incumbent in a state with ranked-choice voting, and polling within the margin of error means she retains a strong chance of winning. The outcome could easily flip if undecided voters break toward the incumbent or if ranked-choice tabulations favor Collins.

Probably not — recent polling (Marist and Washington Post showing Jackson up 4, with late-October averages tied or narrowly favoring Jackson) puts Collins slightly behind in a Democratic-leaning state. However, Collins has repeatedly outperformed polls as a well-liked moderate incumbent, so the race is genuinely close. A late shift or another polling miss in her favor is the main way this resolves YES.

Probably not — recent polling shows Jackson slightly ahead or tied, with multiple October polls putting him up 4 points and averages showing a tight race leaning Democratic. Collins is a proven overperformer in Maine and the state's independents could swing back, plus late-deciding voters often break toward the familiar incumbent. The main thing that could prove me wrong is a late Collins surge among rural and ticket-splitting voters, or polls undercounting her support as in past cycles.