Mike Chapman
Washington State Senator, District 24 since 2024. Next on the ballot in 2028.
- In office
- 1 yr
- Since 2024
- Bills became law
- 2
- 26 sponsored, 2025–2026 session
- Votes missed
- 0.2%
- Chamber median 0.3%
- With party
- 89%
- On votes splitting the parties
- Last margin
- +9.7
- Won 2024
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET
Committees
As of 2026-10.
- Agriculture and Natural Resources · chair
- Economic Development and International Relations Legislative
- Health and Long-Term Care
- Legislative Committee on Water Supply During Drought
- Transportation
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Became law May 2025
Failed in the Senate Mar 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Chapman sits in the Washington State Senate
Chapman is closer to the center than 93% of the chamber's Democrats.
Closest: Marko Liias, Bob Hasegawa, Deb Krishnadasan
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:09 PM ET
With Chapman’s party
- Votes with the chamber's Democrats89%
- Cosponsorships of the other party's bills33%
Black tick: the average of Democrats in the Washington State Senate.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Chapman’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Chapman | Dem. majority | Rep. majority | Result |
|---|---|---|---|---|---|
| Mar 12, 2026 | SB 6228: Removing a tax exemption for the warehousing and reselling of prescription drugs.… | Yes | Yes | No | Passed 26–23 |
| Mar 12, 2026 | SB 6260: Implementing efficiencies and programming changes in public education. | Yes | Yes | No | Passed 26–23 |
| Mar 6, 2026 | HB 2034: Concerning termination and restatement of plan 1 of the law enforcement officers' and… | Yes | Yes | No | Passed 25–22 |
| Mar 3, 2026 | HB 2294: Prohibiting negative use restrictions on real property that have the effect of limiting… | Yes | Yes | No | Passed 35–14 |
| Feb 28, 2026 | SB 6231: Removing a tax exemption for the replacement of equipment for data centers. | Yes | Yes | No | Passed 26–23 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Chapman was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Elections
Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.
| Year | Race | Result | Margin |
|---|---|---|---|
| 2024 | Washington State Senate, District 24 | Won | D+9.7 |
| 2022 | Washington House of Representatives, District 24-1 | Won | D+13.1 |
| 2020 | Washington House of Representatives, District 24-1 | Won | D+8.4 |
| 2018 | Washington House of Representatives, District 24-1 | Won | D+16.0 |
| 2016 | Washington House of Representatives, District 24-1 | Won | D+21.8 |
Source: 99chambers results archive
Seats Chapman has held
- Washington State Senate, District 24 · since 2024
- Washington House of Representatives, District 24-1 · 2016–2024
Source: 99chambers results archive
Who Chapman has run against
- Marcia Kelbon (R) · 2024 general, won
- Sue Forde (R) · 2022 general, won
- Sue Forde (R) · 2020 general, won
- Jodi Wilke (R) · 2018 general, won
- George Vrable (R) · 2016 general, won
Source: 99chambers results archive
How we know Chapman
One person, matched across every source we use.
- Open States ocd-person/ea005988-0e0d-4fd2-9960-91083ae8ab25
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET