Incumbent Democrat Summer Lee holds a commanding position in Pennsylvania's 12th Congressional District, a D+10 seat per Cook Partisan Voting Index, where she won re-election in 2024 with 56% amid Solid Democratic ratings from Cook Political Report, Inside Elections, and Sabato's Crystal Ball. Trader consensus at 90.5% for a Democratic victory reflects her $1.8 million cash-on-hand advantage as of late 2025, minimal fundraising by primary challengers Adam Forgie and William Parker, and a weak Republican field led by 2024 nominee James Hayes. Recent March 10 filing deadline confirmed no high-profile entrants, solidifying her path ahead of the May 19 closed primaries. Upsets could arise from primary surprises, scandals, a stronger GOP nominee, or midterm national dynamics.
Experimental AI-generated summary referencing Polymarket data · UpdatedPA-12 House Election Winner
PA-12 House Election Winner
Democratic Party
91%
Republican Party
7%
Democratic Party
91%
Republican Party
7%
A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.
This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).
Market Opened: Jan 28, 2026, 11:23 AM ET
Resolver
0x2F5e3684c...A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.
This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).
Resolver
0x2F5e3684c...Incumbent Democrat Summer Lee holds a commanding position in Pennsylvania's 12th Congressional District, a D+10 seat per Cook Partisan Voting Index, where she won re-election in 2024 with 56% amid Solid Democratic ratings from Cook Political Report, Inside Elections, and Sabato's Crystal Ball. Trader consensus at 90.5% for a Democratic victory reflects her $1.8 million cash-on-hand advantage as of late 2025, minimal fundraising by primary challengers Adam Forgie and William Parker, and a weak Republican field led by 2024 nominee James Hayes. Recent March 10 filing deadline confirmed no high-profile entrants, solidifying her path ahead of the May 19 closed primaries. Upsets could arise from primary surprises, scandals, a stronger GOP nominee, or midterm national dynamics.
Experimental AI-generated summary referencing Polymarket data · Updated


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