# Mike Chapman

Mike Chapman is a Democratic member of the Washington Senate for district 24.

- Party: Democrat
- Seat: Washington Senate, district 24
- Serving since: 2024-12-06
- Current term: WA 2025–26 session
- Open States ID: ocd-person/ea005988-0e0d-4fd2-9960-91083ae8ab25

Source: https://americaspoliticalpulse.com/p/ea005988-0e0d-4fd2-9960-91083ae8ab25 (America’s Political Pulse, Polarization Research Lab), data through 2026-10-27. Data under CC BY 4.0. Cite as: Westwood, Sean J., and Yphtach Lelkes. 2024. America's Political Pulse [data set].

## Headline

Chapman sits at −0.33 on the CSIP scale, more conservative than 90% of State Senate Democrats.

## Ideology (CSIP)

CSIP score −0.33 (standard error 0.01), from 138 donors and 1,198 roll calls. Negative is left of 0, positive right of it, on one scale for every official. 90% of State Senate Democrats score lower.

## Votes (WA 2025–26 session)

1,101 roll calls. Attendance 99.8% (Washington Senate 99.1%). Party unity 89% (95.5%). 55 votes against the party majority.

## Legislation (WA 2025–26 session)

Sponsored 20 bills: 20 reached committee, 4 passed one chamber, 2 passed both, 2 became law. Cosponsored 223. 20.0% of sponsored bills got out of committee (Washington Senate 28.7%; rank 36 of 49).

Recent sponsored bills:

- SR 8678: Recognizing the Chimacum High School Marching Band. (passed one chamber, 2026-02-10) https://openstates.org/wa/bills/2025-2026/SR8678/
- SB 6318: Concerning commercial shellfish fees. (in committee, 2026-02-03) https://openstates.org/wa/bills/2025-2026/SB6318/
- SB 6146: Expanding oral health equity and increasing access to preventive dental care. (in committee, 2026-01-14) https://openstates.org/wa/bills/2025-2026/SB6146/
- SB 6097: Adding federally recognized Indian tribes to the list of entities that may participate in the conservation futures program. (in committee, 2026-03-12) https://openstates.org/wa/bills/2025-2026/SB6097/
- SR 8633: Honoring the workforce of forest products businesses. (passed one chamber, 2025-04-09) https://openstates.org/wa/bills/2025-2026/SR8633/
- SB 5653: Concerning collective bargaining by fish and wildlife officers. (became law, 2025-05-17) https://openstates.org/wa/bills/2025-2026/SB5653/
- SB 5573: Concerning electric security alarm systems. (in committee, 2026-01-12) https://openstates.org/wa/bills/2025-2026/SB5573/
- SB 5531: Streamlining the home care worker background check process. (in committee, 2026-01-12) https://openstates.org/wa/bills/2025-2026/SB5531/
- SB 5560: Designating the Pacific razor clam as the state clam. (in committee, 2026-01-12) https://openstates.org/wa/bills/2025-2026/SB5560/
- SB 5537: Promoting efficient administration of state education agencies. (in committee, 2026-01-12) https://openstates.org/wa/bills/2025-2026/SB5537/

## Campaign money (2026 cycle)

Itemized receipts $7,000 (State Senate Democrats median $55.5K). Aggregates only; no individual donors.

## Links

- Campaign site: https://www.chapmanforsenate.org
- Facebook: https://www.facebook.com/RepMikeChapman/

Full profile, with every chart and the methods: https://americaspoliticalpulse.com/p/ea005988-0e0d-4fd2-9960-91083ae8ab25