99chambers

Washington State Senate seat · lines in effect since 2024

Washington Legislative District 29

A district of about 159,000 people, 20% of adults with a bachelor's degree. It votes D+22.2 relative to the nation for president.

Steve Conway (D) · since Nov 2, 2010Next election Nov 5, 2030The 2026 race →

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+22.220th most
Democratic
Most DemocraticMost Republican25th seat · the majority lineDistrict 29

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+18.3

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 29.

Adults with a bachelor's degree20% 4th pct · 47th of 49 in WA

Lower than 96% of seats.

White adults without a degree38% 40th pct · 30th of 49 in WA

Lower than 60% of seats.

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

Higher than 83% of seats.

Black residents12% 94th pct · 4th of 49 in WA

Higher than 94% of seats.

Asian residents11% 65th pct · 18th of 49 in WA

Higher than 65% of seats.

People per square mile4,581 94th pct · 4th of 49 in WA

Denser than 94% of seats.

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

Seats most like this one

Nearest seats on demographics, density and lean.

District 30
21% Hispanic · 28% college gradsD+21.3Held DDistrict 28
33% college gradsD+21.6Not up in 2026District 47
31% college gradsD+16.7Held DDistrict 33
23% Hispanic · 30% college gradsD+38.8Held D

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 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

Who has held it

These lines took effect in 2024.

  1. Sharlett Mena (D)
    2027– · Won 2026 by 43.9

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