Washington State Senate seat · lines in effect since 2024
Washington Legislative District 24
A district of about 155,000 people, 31% of adults with a bachelor's degree. It votes D+13.7 relative to the nation for president.
2024 election
Nov 5, 2024- Mike Chapman (D) · won54.8%
- Marcia Kelbon (R)45.1%
Source: Washington Secretary of StateUpdated Sep 30, 2026, 12:29 PM ET
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.
Democratic
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 election for this seat
15 races since 1968. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2024 | |||
| 2024 | Mike Chapman (D) | Marcia Kelbon (R) | 9.7 |
| Lines first used in 2012 | |||
| 2020 | Kevin Van De Wege (D) | Connie Beauvais (R) | 8.2 |
| 2016 | Kevin Van De Wege (D) | Danille Turissini (I) | 13.1 |
| 2012 | Jim Hargrove (D) | Larry Carter (I) | 30.9 |
| Lines first used in 2002 | |||
| 2008 | Jim Hargrove (D) | — | Unopposed |
| 2004 | Jim Hargrove (D) | — | Unopposed |
| Lines first used in 1992 | |||
| 2000 | Jim Hargrove (D) | William F. Wolper (I) | 63.7 |
| 1996 | Jim Hargrove (D) | — | Unopposed |
| 1992 | Jim Hargrove (D) | Fairchild (R) | 15.8 |
| Lines first used in 1982 | |||
| 1988 | Paul Conner (D) | Ellen C. Pickell (R) | 1.3 |
| 1984 | Paul Conner (D) | Kahn (R) | 36.7 |
| Lines first used in 1972 | |||
| 1980 | Paul Conner (D) | Haroldine Nisbet (R) | 21.5 |
| 1976 | Gordon Sandison (D) | Evelyn B. Tinkham (R) | 31.4 |
| 1972 | Gordon Sandison (D) | Ralph J. Theriault (R) | 31.6 |
| Lines first used in 1962 | |||
| 1968 | Gordon Sandison (D) | Everett Hassell (R) | 99.3 |
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Districts that overlap District 24
The state's districts in other chambers that share residents with this one, and the share of District 24's area in each.
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 | |
|---|---|
| President | D+9.8 |
| Governor | D+5.2 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 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 24.
Lower than 58% of seats.
Higher than 88% of seats.
Lower than 90% of seats.
Lower than 98% of seats.
Lower than 88% of seats.
Less dense than 96% 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. 1 of the 4 flipped this year.
District 4234% college gradsD+11.3Held DDistrict 17
38% college gradsD+8.4Not up in 2026District 35
30% college gradsD+0.3Flipped DDistrict 10
32% college gradsD+7.9Not up in 2026
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