2026 Washington State Senate Election
Washington · State
General Election
November 3, 2026
Contests
24
Candidates
65
Valid votes
849,257
Seats shown are those contested that year, not the full chamber. Alternating districts and boundary changes affect comparisons.
Party results
| Party | Votes | Vote % | Seats | Seats % | Seat change vs 2024 |
|---|---|---|---|---|---|
| Democratic | 535,754 | 63.1% | 0 | 0.0% | −13 |
| Republican | 286,720 | 33.8% | 0 | 0.0% | −12 |
| Not reported | 14,060 | 1.7% | 0 | 0.0% | — |
| Independent | 12,723 | 1.5% | 0 | 0.0% | — |
| Party | 2024 seats | 2026 seats | Change | 2024 Vote % | 2026 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Democratic | 13 | 0 | −13 | 52.4% | 63.1% | +10.7 pp |
| Republican | 12 | 0 | −12 | 46.9% | 33.8% | −13.1 pp |
Seat changes by party
25 → 24 seats
| Party | 2010 seats | 2026 seats | Change | 2010 Vote % | 2026 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Democratic | 15 | 0 | −15 | 52.8% | 63.1% | +10.3 pp |
| Republican | 9 | 0 | −9 | 44.5% | 33.8% | −10.8 pp |
Seat changes by party
24 → 24 seats
| Party | 2012 seats | 2026 seats | Change | 2012 Vote % | 2026 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Democratic | 11 | 0 | −11 | 46.7% | 63.1% | +16.4 pp |
| Republican | 14 | 0 | −14 | 49.9% | 33.8% | −16.2 pp |
Seat changes by party
25 → 24 seats
| Party | 2014 seats | 2026 seats | Change | 2014 Vote % | 2026 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Democratic | 13 | 0 | −13 | 55.1% | 63.1% | +8.0 pp |
| Republican | 11 | 0 | −11 | 44.9% | 33.8% | −11.1 pp |
Seat changes by party
24 → 24 seats
| Party | 2016 seats | 2026 seats | Change | 2016 Vote % | 2026 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Democratic | 12 | 0 | −12 | 41.4% | 63.1% | +21.7 pp |
| Republican | 13 | 0 | −13 | 48.2% | 33.8% | −14.4 pp |
Seat changes by party
25 → 24 seats
| Party | 2018 seats | 2026 seats | Change | 2018 Vote % | 2026 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Democratic | 17 | 0 | −17 | 65.5% | 63.1% | −2.4 pp |
| Republican | 7 | 0 | −7 | 30.7% | 33.8% | +3.1 pp |
Seat changes by party
24 → 24 seats
| Party | 2020 seats | 2026 seats | Change | 2020 Vote % | 2026 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Democratic | 12 | 0 | −12 | 48.9% | 63.1% | +14.2 pp |
| Republican | 13 | 0 | −13 | 47.2% | 33.8% | −13.5 pp |
Seat changes by party
25 → 24 seats
| Party | 2022 seats | 2026 seats | Change | 2022 Vote % | 2026 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Democratic | 17 | 0 | −17 | 56.2% | 63.1% | +6.9 pp |
| Republican | 7 | 0 | −7 | 39.7% | 33.8% | −6.0 pp |
Seat changes by party
24 → 24 seats
| Party | 2024 seats | 2026 seats | Change | 2024 Vote % | 2026 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Democratic | 13 | 0 | −13 | 52.4% | 63.1% | +10.7 pp |
| Republican | 12 | 0 | −12 | 46.9% | 33.8% | −13.1 pp |
Seat changes by party
25 → 24 seats
Historical trends
Democratic Republican
Chart data
| Election | Democratic | Republican |
|---|---|---|
| November 2, 2010 | 15 | 9 |
| November 6, 2012 | 11 | 14 |
| November 4, 2014 | 13 | 11 |
| November 8, 2016 | 12 | 13 |
| November 6, 2018 | 17 | 7 |
| November 3, 2020 | 12 | 13 |
| November 8, 2022 | 17 | 7 |
| November 5, 2024 | 13 | 12 |
| November 3, 2026 | 0 | 0 |
Democratic Republican
Chart data
| Election | Democratic | Republican |
|---|---|---|
| November 2, 2010 | 15 | 9 |
| November 6, 2012 | 11 | 14 |
| November 4, 2014 | 13 | 11 |
| November 8, 2016 | 12 | 13 |
| November 6, 2018 | 17 | 7 |
| November 3, 2020 | 12 | 13 |
| November 8, 2022 | 17 | 7 |
| November 5, 2024 | 13 | 12 |
| November 3, 2026 | 0 | 0 |
Democratic Republican
Chart data
| Election | Democratic | Republican |
|---|---|---|
| November 2, 2010 | 52.8% | 44.5% |
| November 6, 2012 | 46.7% | 49.9% |
| November 4, 2014 | 55.1% | 44.9% |
| November 8, 2016 | 41.4% | 48.2% |
| November 6, 2018 | 65.5% | 30.7% |
| November 3, 2020 | 48.9% | 47.2% |
| November 8, 2022 | 56.2% | 39.7% |
| November 5, 2024 | 52.4% | 46.9% |
| November 3, 2026 | 63.1% | 33.8% |
Source: Washington Secretary of State
District results
24 contests
Swipe to compare parties · Tap a district for full results
| District | Dem | Rep | Not reported | ||||
|---|---|---|---|---|---|---|---|
| Votes | Vote % | Votes | Vote % | Votes | Vote % | ||
| —— | — | 24,38191.2% | 91.2% | 2,3678.8% | 8.8% | 26,748 | |
| —— | — | 25,19866.0% | 66.0% | 2320.6% | 0.6% | 38,153 | |
| —— | — | 26,87598.1% | 98.1% | 5321.9% | 1.9% | 27,407 | |
| —— | — | 21,87796.6% | 96.6% | 7663.4% | 3.4% | 22,643 | |
| —— | — | 24,09594.4% | 94.4% | 1,4345.6% | 5.6% | 25,529 | |
| 29,47372.3% | 72.3% | 11,18527.4% | 27.4% | 1160.3% | 0.3% | 40,774 | |
| 32,72357.3% | 57.3% | 24,33842.6% | 42.6% | 580.1% | 0.1% | 57,119 | |
| 23,34995.8% | 95.8% | —— | — | 1,0224.2% | 4.2% | 24,371 | |
| 16,10664.2% | 64.2% | 8,94935.7% | 35.7% | 230.1% | 0.1% | 25,078 | |
| 20,13046.3% | 46.3% | 23,29953.6% | 53.6% | 420.1% | 0.1% | 43,471 | |
| 38,93298.3% | 98.3% | —— | — | 6911.7% | 1.7% | 39,623 | |
| 20,76794.7% | 94.7% | —— | — | 1,1665.3% | 5.3% | 21,933 | |
| 34,45597.3% | 97.3% | —— | — | 9512.7% | 2.7% | 35,406 | |
| 22,37651.5% | 51.5% | 20,99648.4% | 48.4% | 470.1% | 0.1% | 43,419 | |
| 39,67788.0% | 88.0% | 5,32511.8% | 11.8% | 760.2% | 0.2% | 45,078 | |
| 32,23198.9% | 98.9% | —— | — | 3661.1% | 1.1% | 32,597 | |
| 23,09466.0% | 66.0% | 11,84233.8% | 33.8% | 500.1% | 0.1% | 34,986 | |
| 34,06156.4% | 56.4% | 26,26543.5% | 43.5% | 580.1% | 0.1% | 60,384 | |
| 33,52798.9% | 98.9% | —— | — | 3721.1% | 1.1% | 33,899 | |
| 27,76763.0% | 63.0% | 16,28836.9% | 36.9% | 330.1% | 0.1% | 44,088 | |
Parties with seats, or the top three by votes. Valid votes include all candidates.
| District | Elected | Runner-up | |
|---|---|---|---|
| — | — | 82.3percentage points | |
| — | — | 32.7percentage points | |
| — | — | 6.1percentage points | |
| — | — | 93.2percentage points | |
| — | — | 88.8percentage points | |
| — | — | 44.9percentage points | |
| — | — | 14.7percentage points | |
| — | — | 42.5percentage points | |
| — | — | 28.5percentage points | |
| — | — | 7.3percentage points | |
| — | — | 0.9percentage points | |
| — | — | 89.4percentage points | |
| — | — | 94.6percentage points | |
| — | — | 3.2percentage points | |
| — | — | 76.2percentage points | |
| — | — | 49.3percentage points | |
| — | — | 32.2percentage points | |
| — | — | 12.9percentage points | |
| — | — | 52.8percentage points | |
| — | — | 26.0percentage points |