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The highest raw voter turnout for a midterm election came in 2018 when roughly 115 million Americans cast ballots.
That record is expected to be shattered this year, at least according to the oddsmakers.
BetOnline.ag posted a prop bet for how many people will vote in the 2028 Midterms, and the over/under is set at 120 million.
Reports surfaced yesterday that nearly 40 million Americans had voted early so far, so that number has to triple by the time the polls close Tuesday in order to hit the projection.
2026 Midterms: Total Raw Voter Turnout
Over/Under 120 million voters
Additionally, here are the latest congressional control numbers from BetOnline as of midday Friday:
Which party will control the Senate?
Democrats -275
Republicans +215
(Odds were -200 last week so big shift toward Dems)
How many Senate seats will Republicans win?
Over/Under 47.5
(Odds were 48.5 last week so shift toward Dems)
Which party will win the most House seats?
Democrats -1800
Republicans +900
(Odds were -1600 last week so shift toward Dems)
How many House seats will Democrats win?
Over/Under 241.5
(No change in odds)
House Popular Vote Margin of Victory
Over/Under 9.5%
Balance of Power
Democrats win House/Senate -235
Democratic House/Republican Senate +205
Republicans win House/Senate +940
Republican House/Democratic Senate +10000
