Washington’s 1st District
U.S. House · WA-1
Election day November 3, 2026 · forecast of October 15, 2026
Our forecast gives the Democrats a more than 99% chance of winning, with an average lead of 36.7 points.
Safe seat. Chance of a final gap under 5 points: under 1%.
Compared with the average
| Democrat | Republican | |
|---|---|---|
| WA-1 | 68.4% | 31.7% |
| National averageUnited States | 54.5%+13.8 | 44.2%−12.6 |
Simple average of the 435 districts, not weighted by population.
Projection track
How the projection has moved
Local profile
| Latino citizens aged 18 and over | 7.1% (± 0.3) |
|---|
Current member
Suzan DelBene · Democrat
Primary results
| Top-two primary | Suzan DelBene · Advanced to the general election | 53.1% | 85,156 votes |
|---|---|---|---|
| Top-two primary | Mary Silva · Advanced to the general election | 26.2% | 42,088 votes |
Democrat 
Republican Previous election (2024)
The Democrats won by 26.3 points.
Our current projection: the Democrats ahead by 36.7 points.
Watch list
The tightest races
The smallest projected gaps between the top two.
- Forecast updated