The average projected House gain of 19 seats is lower than the 40 seat gain Democrats achieved in 2018, partly because Republicans may flip seats redrawn ahead of the 2026 cycle. In the Senate, the highest flip probabilities are in North Carolina (82%), Alaska (60%), Texas (56%), Maine (53%), and Ohio (51%). This movement represents a sharp reversal from January, when VoteHub analysts gave Democrats only a 30% chance of securing a Senate majority.
Tuesday, October 20, 2026
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DDHQ Gives Democrats 75% Chance to Win House and 54% to Flip Senate
US Politics18 days ago
Democrats are projected to capture 234 seats in the House and 51 in the Senate as of Oct. 2 in an updated analysis by Decision Desk HQ. The model assigns the party a 75% probability of winning the House and a 54% likelihood of flipping the Senate to gain control of Congress. The updated outlook maintains Democrats as favorites in both chambers, following a streak of high-water marks in polling for the party through late September.
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