Washington State Senate seat · lines in effect since 2024

Washington Legislative District 16

A district of about 175,000 people, 32% Hispanic, 30% of adults with a bachelor's degree. It votes R+16.4 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.

R+16.443rd most
Democratic
Most DemocraticMost Republican25th seat · the majority lineDistrict 16

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.

20202024
U.S. SenateNo raceR+9.9
GovernorR+18.6R+19.4

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 16.

Adults with a bachelor's degree30% 29th pct · 35th of 49 in WA

Lower than 71% of seats.

White adults without a degree44% 52nd pct · 24th of 49 in WA

Higher than 52% of seats.

Hispanic residents32% 94th pct · 4th of 49 in WA

Higher than 94% of seats.

Black residents1% 27th pct · 36th of 49 in WA

Lower than 73% of seats.

Asian residents2% 17th pct · 41st of 49 in WA

Lower than 83% of seats.

People per square mile52 15th pct · 42nd of 49 in WA

Less dense than 85% of seats.

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