Nonpartisan Analysis Since 1980

Washington
Senate

State Map

State map

Current Rating

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Not Up This Cycle

2025 Baseline

What's This?
D +14.5
D: 57.1%, R: 42.6%

Class I

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Class III

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Past Elections

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Calendar

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MAY
8
2026
Candidate Filing Deadline
AUG
4
2026
Primary Election Day
NOV
3
2026
Election Day

Analysis

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Report Shorts (May 21, 2026)

May 21, 2026
by Jacob Rubashkin

Report Shorts (Jan. 8, 2026)

January 8, 2026
by Jacob Rubashkin

Report Shorts (Dec. 18, 2025)

December 18, 2025
by Jacob Rubashkin

Ratings

2026
January 9, 2025
Not Up This Cycle
January 1, 2025
Not Up This Cycle
2024
January 6, 2023
Solid Democrat
January 6, 2023
Not Up This Cycle
2022
July 1, 2022
Likely Democrat
January 8, 2021
Solid Democrat
2020
January 4, 2019
Not Up This Cycle
2018
January 13, 2017
Solid Democrat
January 13, 2017
Not Up This Cycle
2016
January 9, 2015
Solid Democrat
2014
January 25, 2013
Not Up This Cycle
2012
August 1, 2011
Solid Democrat
January 28, 2011
Likely Democrat
January 1, 2011
Not Up This Cycle
2010
November 1, 2010
Toss-up
July 23, 2010
Tilt Democrat
June 24, 2010
Not Up This Cycle
June 24, 2010
Lean Democrat

Baselines

About
2025+14.5D 57.1, R 42.6
2024
+14.5
2022
+11.9
2020
+11.4
2018
+10.6
2016
+10.0
2014
+9.8