Top-two primary
All candidates run in one primary regardless of party and the two with the most votes advance, so two candidates of the same party can meet in November. The forecast then marks the seat as safe for that party.
Washington › Washington State Senate · November 3, 2026 · Updated Oct 16, 2026
Washington Legislative District 47
Top twoKauffman is very likely to win: Kauffman wins in more than 99 of every 100 simulations.
Kauffman (D)
99%
chance of winning
Soltys (R)
1%
- Average margin
- D+21.9
- 80% of outcomes
- D+13 to D+32
- Partisan lean
- D+17
- Polls
- No pollsmodel only
Kauffman is very likely to win: Kauffman wins in 49 of every 50 simulations.
Kauffman (D)
97%
chance of winning
Soltys (R)
3%
- Average margin
- D+20.7
- 80% of outcomes
- D+8 to D+34
- Partisan lean
- D+17
- Polls
- No pollsmodel only
How this race is decided
Staggered Senate
Senators serve four-year terms; about half the seats are on the ballot each election.
Range of outcomes
Final margin across our simulations; the white dashes mark the middle 80%.
The candidates
DemocraticIncumbent
Claudia Kauffman
- Experience
- State legislature
Republican
Kristina Soltys
What goes into the forecast
Every ingredient's estimate of the final margin.
- National environment
- D+9.5Election Day forecast
- Washington state offices
- +0.0Polls for governor, statewide and legislative races · details
- Environment here
- D+9.5Used by the fundamentals
- Swing reaching this office
- 58%Of a shift in the environment, from past legislative races since 2016
- Pacific adjustment
- −1.7How legislative races in the region have run against lean and environment lately
Each estimate is a margin before national and statewide uncertainty is simulated. Horizon blends polls, fundamentals and a little of the similar-places estimate, weighting each by how precise it is; Pulse uses polls and similar places only.
Fundamentals inputs
| Incumbency (+1 D, −1 R) | 1 |
| Fundraising edge (log ratio of individual money) | -0.05 |
| Elected-experience edge | 0.67 |
| First-term incumbent | 0 |
| Seat's last result vs. expectation | 0 |
| Incumbent's last result vs. expectation | 0 |
Polls
No public polls of this race. The forecast relies on fundamentals and on polling of similar places in the state.
The district
Lean D+17: how much more Democratic or Republican than the nation it votes for president.
Presidential vote
Precinct results re-aggregated to the current district lines.
Who lives here
- Population
- 153,111
- People per km²
- 915
- Adults with a B.A.+
- 31%
- White, no degree
- 37%of adults
- White 50%
- Hispanic 13%
- Black 9%
- Asian 18%
- Other / multiracial 10%
American Community Survey 2020–2024, aggregated from census tracts.
Past results
Results in the same-numbered district; earlier elections may have used different lines.
2024 President Vote in this district
64,633 two-party votes · D+15.7 · D+17.2 vs. the nation✓ Kamala Harris (D)57.8%
Donald Trump (R)42.2%
2022 Earlier district lines
49,808 votes · D+5.5✓ Claudia Kauffman (D)52.7%
Bill Boyce (R)47.2%
2020 President Vote in this district
78,436 two-party votes · D+19.9 · D+15.4 vs. the nation✓ Joe Biden (D)60.0%
Donald Trump (R)40.0%
2018 Earlier district lines
55,910 votes · D+1.8✓ Mona Das (D)50.8%
Joe Fain (R)49.0%
2016 President Vote in this district
52,726 two-party votes · D+17.3 · D+15.1 vs. the nation✓ Hillary Clinton (D)58.6%
Donald Trump (R)41.4%
2014 Earlier district lines
34,158 votes · R+27.2✓ Joe Fain (R)63.6%
Carol Barber (D)36.4%