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Washington District 1

Tue, Nov 3 · Seat held by Suzan K. DelBene Democratic since Nov 2012

Suzan K. DelBeneDemocratic · IncumbentAge 64 · 13 years in Congress

No published poll names both candidates.Last result · 2024 general: Suzan K. DelBene (D) 63.0, Jeb Brewer (R) 36.7

Mary SilvaRepublican

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Washington District 1: Suzan K. DelBene vs Mary Silva

Preview card: Washington District 1: Suzan K. DelBene vs Mary Silva

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Last election
Suzan K. DelBene (Democratic) won by 26.3 points, 2024
Margin since 2022
0.8 points toward Republicans
On the 2026 ballot
2 candidates

All Washington districts

Side by side

Left column: DelBeneRight column: Silva

Total receipts, 2025-2026 cycle, through Oct 14
$4.3M
$8K
Cash on hand
$1.0M
$1K
Donor-based spectrum
LiberalCentristConservativeDelBeneNo published score for Silva
Races
Won 8 of 9
None listed
Years since first win
14
Not available
Age on Election Day
64
Not available

Money: FEC bulk data, through Oct 14. One or more are matched to the FEC by name, party and seat, so a total could belong to someone else.

How these are counted

Total receipts line of each candidate’s principal campaign committee, 2025-2026 cycle. Other sites may show career, six-year or all-committee totals, which differ. DelBene: $4,281,272 received, $1,035,589 cash on hand. Silva: $8,479 received, $1,299 cash on hand. The spectrum is a published research score, not our rating. How this works. Wins and losses count the races in our results files, the same as each profile.

More about this race

Candidates on the ballot

Source: sos.wa.gov (PDF), dated Aug 21

Shift since 2022: 0.8 points toward Republicans (Democratic by 27.1 in 2022, Democratic by 26.3 in 2024).

All Washington districts

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2024 US House margin
  • D 15+ pts
  • D 5 to 15 pts
  • D under 5 pts
  • R under 5 pts
  • R 5 to 15 pts
  • R 15+ pts
  • Other winner
  • No data
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Official results for Washington

History (25 elections for this seat)

1976 to 2024: MIT Election Data and Science Lab, U.S. House 1976-2024, retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source

District numbers are reused after each redistricting, so rows on older lines cover different territory than today's Washington District 1.

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Cite this page

Election Wrld. (2026). Washington District 1, US House results. https://www.electionwrld.com/wa/congress/1. Retrieved October 30, 2026.

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Sources

Sources: MIT Election Data and Science Lab, U.S. House 1976-2024 (CC0 1.0), retrieved Oct 28, 2026, compiled by MIT Election Data and Science Lab (MEDSL) from official returns, not an official source; Census TIGERweb Legislative MapServer (120th CDs layer 0, 119th CDs layer 4, 2026 SLD upper layer 1 and lower layer 2) (US Census Bureau, public domain), retrieved Oct 28, 2026; unitedstates/congress-legislators (current) (CC0-1.0), retrieved Oct 28, 2026, compiled by the @unitedstates project volunteers (rosters from official congressional sources) from official returns, not an official source.

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DataState data (JSON)Sources: MIT Election Data and Science Lab, U.S. House 1976-2024, FEC, DIME (ODC-BY), Portraits: unitedstates/images (public domain)Data as of Oct 28, 2026