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 45
Top twoManka Dhingra has no major-party opponent.
Manka Dhingra has no major-party opponent.
How this race is decided
Staggered Senate
Senators serve four-year terms; about half the seats are on the ballot each election.
The candidates
DemocraticIncumbent
Manka Dhingra
- Experience
- State legislature
The district
Lean D+46: 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
- 160,945
- People per km²
- 600
- Adults with a B.A.+
- 70%
- White, no degree
- 21%of adults
- White 59%
- Hispanic 8%
- Black 1%
- Asian 25%
- Other / multiracial 7%
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
78,756 two-party votes · D+46.2 · D+47.7 vs. the nation✓ Kamala Harris (D)73.1%
Donald Trump (R)26.9%
2022 Earlier district lines
65,831 votes · D+25.9✓ Manka Dhingra (D)62.9%
Ryika Hooshangi (R)37.0%
2020 President Vote in this district
101,394 two-party votes · D+45.6 · D+41.0 vs. the nation✓ Joe Biden (D)72.8%
Donald Trump (R)27.2%
2018 Earlier district lines
71,464 votes · D+26.9✓ Manka Dhingra (D)63.3%
Dale Fonk (R)36.5%
2016 President Vote in this district
73,727 two-party votes · D+40.5 · D+38.3 vs. the nation✓ Hillary Clinton (D)70.2%
Donald Trump (R)29.8%
2014 Earlier district lines
48,972 votes · R+5.4✓ Andy Hill (R)52.7%
Matt Isenhower (D)47.3%