Washington State Senate seat · lines in effect since 2024

Washington Legislative District 47

A district of about 153,000 people, 31% of adults with a bachelor's degree. It votes D+16.7 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+16.726th most
Democratic
Most DemocraticMost Republican25th seat · the majority lineDistrict 47

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.

2026
Washington State SenateD+21.8

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

Source: 99chambers results archive: precinct results allocated to current lines; 2026: Washington Secretary of StateUpdated 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 47.

Adults with a bachelor's degree31% 40th pct · 30th of 49 in WA

Lower than 60% of seats.

White adults without a degree37% 38th pct · 31st of 49 in WA

Lower than 62% of seats.

Hispanic residents13% 67th pct · 17th of 49 in WA

Higher than 67% of seats.

Black residents9% 85th pct · 8th of 49 in WA

Higher than 85% of seats.

Asian residents18% 83rd pct · 9th of 49 in WA

Higher than 83% of seats.

People per square mile2,371 65th pct · 18th of 49 in WA

Denser than 65% of seats.

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

Who has held it

These lines took effect in 2024.

  1. Claudia Kauffman (D)
    2027– · Won 2026 by 21.8

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)