Washington State Senate seat · lines in effect since 2024

Washington Legislative District 27

A district of about 156,000 people, 40% of adults with a bachelor's degree. It votes D+45.5 relative to the nation for president.

Where it sits among all 49 seats

Every Washington State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+45.511th most
Democratic
Most DemocraticMost Republican25th seat · the majority lineDistrict 27

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

2020
GovernorD+37.4

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 49 seats. Small marks are other seats in Washington. The black marker is District 27.

Adults with a bachelor's degree40% 67th pct · 17th of 49 in WA

Higher than 67% of seats.

White adults without a degree37% 33rd pct · 33rd of 49 in WA

Lower than 67% of seats.

Hispanic residents11% 46th pct · 27th of 49 in WA

Lower than 54% of seats.

Black residents9% 88th pct · 7th of 49 in WA

Higher than 88% of seats.

Asian residents7% 60th pct · 20th of 49 in WA

Higher than 60% of seats.

People per square mile2,550 69th pct · 16th of 49 in WA

Denser than 69% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET