Which party will win the House in 2026?
- Will the Democratic Party control the House after the 2026 Midterm elections?88¢
- Will the Republican Party control the House after the 2026 Midterm elections?13¢
This market will resolve according to the party that wins control of the United States House of Representatives in the 2026 United States midterm election. A party wins control of the United States House of Representatives if it wins a majority of the chamber’s voting seats. If no party wins a majority of voting seats, the chamber will be deemed controlled by the party with which the first elected Speaker of the House of the Congress that convenes after the 2026 midterm election is affiliated. The following rules govern the counting of seats for determining which party wins control of the chamber. All House elections in the 2026 United States midterm election that elect voting members and determine representation in the upcoming 120th Congress are included. Where a seat is decided by a runoff, the runoff result will determine attribution of that seat. Seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation, or vacates their seat, between election day and the formal organization of Congress, the seat is attributed to the party under which the member was elected. House members elected as independents who formally caucus with, or, for newly elected members, who announce their intent to caucus with, a party are included in that party’s count. If the caucus decisions of members of the House elected as independents cannot be determined on the date of the election, this market may remain open until the earlier of (i) an announcement from the relevant members of their intents to caucus, or (ii) January 4th, 11:59 PM ET of the following calendar year. If no such announcement is made by January 4th, 11:59 PM ET of the following calendar year, the member will not count towards the seat count of any party. The resolution sources for this market will be official information from relevant state electoral authorities, the United States Congress, and a consensus of credible reporting.
Democrats hold a strong position in the 2026 House elections, with trader consensus assigning them an 87.5% implied probability of securing a majority. This reflects the historical midterm pattern in which the opposition party typically gains seats against the president's party, reinforced by current generic ballot polling that shows Democrats leading by modest single-digit margins. Recent special election results have demonstrated consistent Democratic overperformance relative to 2024 baselines, with median swings exceeding 10 points in contested legislative races. Redistricting adjustments have produced a modestly more Republican-leaning map overall, yet analysts project Democrats still require only a small net gain of seats to flip control given the number of competitive districts and open Republican seats. Upcoming primaries and fall campaigning will test whether these trends hold into November.