Incumbent Suzan DelBene holds a commanding position in Washington's 1st congressional district heading into the November general election, reflecting the area's consistent Democratic lean and her established record since 2012. The northern Seattle suburbs that make up the district have supported Democratic House candidates by double-digit margins in recent cycles, and forecasters rate the seat as solid or safe Democratic. DelBene advanced comfortably from the August top-two primary with over half the vote against a fragmented field, while Republican Mary Silva, a repeat challenger, finished well behind with limited fundraising. No major developments since the primary have altered the landscape, leaving the outcome dependent on standard turnout patterns in this reliably partisan district. Unexpected national shifts or late candidate-specific events remain the primary theoretical risks to the current trader consensus.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedWA-01 House Election Winner
$45,598 Vol.
$45,598 Vol.
Suzan DelBene (D)
96%
Mary Silva (R)
2%
$45,598 Vol.
$45,598 Vol.
Suzan DelBene (D)
96%
Mary Silva (R)
2%
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, 11:24 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 Suzan DelBene holds a commanding position in Washington's 1st congressional district heading into the November general election, reflecting the area's consistent Democratic lean and her established record since 2012. The northern Seattle suburbs that make up the district have supported Democratic House candidates by double-digit margins in recent cycles, and forecasters rate the seat as solid or safe Democratic. DelBene advanced comfortably from the August top-two primary with over half the vote against a fragmented field, while Republican Mary Silva, a repeat challenger, finished well behind with limited fundraising. No major developments since the primary have altered the landscape, leaving the outcome dependent on standard turnout patterns in this reliably partisan district. Unexpected national shifts or late candidate-specific events remain the primary theoretical risks to the current trader consensus.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
Beware of external links.
Beware of external links.
Frequently Asked Questions