Washington House of Representatives seat · lines in effect since 2024

Washington Legislative District 4

A district of about 135,000 people, 27% of adults with a bachelor's degree. It votes R+19.6 relative to the nation for president.

Where it sits among all 49 seats

Every Washington House of Representatives 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+19.644th most
Democratic
Most DemocraticMost Republican25th seat · the majority lineDistrict 4

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.

202020242026
U.S. SenateNo raceR+17.1No race
GovernorR+23.3R+22.5No race
Washington House of RepresentativesNo raceR+27.3D+0.5

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 4.

Adults with a bachelor's degree27% 19th pct · 40th of 49 in WA

Lower than 81% of seats.

White adults without a degree62% 96th pct · 3rd of 49 in WA

Higher than 96% of seats.

Hispanic residents7% 2nd pct · 48th of 49 in WA

Lower than 98% of seats.

Black residents1% 21st pct · 39th of 49 in WA

Lower than 79% of seats.

Asian residents2% 15th pct · 42nd of 49 in WA

Lower than 85% of seats.

People per square mile339 42nd pct · 29th of 49 in WA

Less dense than 58% 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. Hillary Pham (R)
    2027– · Won 2026 by -0.5
  2. Suzanne Schmidt (R)
    2025–2027 · Won 2024 by 28.9
  3. Rob Chase (R)
    2025– · Won 2024 by 27.3, 2026 by 13.0

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