# Mike Weissman

Mike Weissman is a Democratic member of the Colorado Senate for district 28.

- Party: Democrat
- Seat: Colorado Senate, district 28
- Serving since: 2017-01-11
- Current term: CO 2025–26 session
- Open States ID: ocd-person/b680cb39-442c-4dd2-81bd-88696cfe9df2

Source: https://americaspoliticalpulse.com/p/b680cb39-442c-4dd2-81bd-88696cfe9df2 (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

Weissman sits at −1.27 on the CSIP scale, more liberal than 98% of State Senate Democrats.

## Ideology (CSIP)

CSIP score −1.27 (standard error 0.02), from 633 donors and 1,178 roll calls. Negative is left of 0, positive right of it, on one scale for every official. 2.2% of State Senate Democrats score lower.

## Votes (CO 2025–26 session)

1,666 roll calls. Attendance 99.9% (Colorado Senate 97.2%). Party unity 99.7% (94.2%). 16 votes against the party majority.

Key votes:

- 2026-05-13 · voted yea · CONCUR · SB 187 Establishing Commission on Medicaid · pass · https://openstates.org/co/bills/2026A/SB187/
- 2026-05-13 · voted yea · BILL · HB 1425 Applied Behavior Analysis Services · pass · https://openstates.org/co/bills/2026A/HB1425/
- 2026-05-13 · voted yea · REPASS · SB 42 Revenue Classification Taxpayers Bill of Rights · pass · https://openstates.org/co/bills/2026A/SB42/
- 2026-05-13 · voted yea · BILL · HB 1141 Discriminatory Practices in Public Schools · pass · https://openstates.org/co/bills/2026A/HB1141/
- 2026-05-13 · voted yea · CONCUR · SB 78 Changes to Institutions of Higher Education Statutes · pass · https://openstates.org/co/bills/2026A/SB78/
- 2026-05-13 · voted yea · BILL · HB 1309 Abuse in Cases of Separation · pass · https://openstates.org/co/bills/2026A/HB1309/
- 2026-05-13 · voted yea · REPASS · SB 165 Species Conservation Measures · pass · https://openstates.org/co/bills/2026A/SB165/
- 2026-05-13 · voted yea · CONCUR · SB 115 Post-Conviction Relief for Certain Offenders · pass · https://openstates.org/co/bills/2026A/SB115/
- 2026-05-13 · voted yea · AMEND (L.081) · HB 1289 Modification of Certain Tax Expenditures · pass · https://openstates.org/co/bills/2026A/HB1289/
- 2026-05-13 · voted yea · CONCUR · SB 3 End-of-Life Management of Electric Vehicle Batteries · pass · https://openstates.org/co/bills/2026A/SB3/

## Legislation (CO 2025–26 session)

Sponsored 91 bills: 85 reached committee, 72 passed one chamber, 68 passed both, 57 became law. Cosponsored 387. 90.1% of sponsored bills got out of committee (Colorado Senate 94.3%; rank 31 of 35).

Recent sponsored bills:

- SB 190: Release Information About Peace Officer Use of Force (became law, 2026-06-03) https://openstates.org/co/bills/2026A/SB190/
- SB 176: State Remedies for Constitutional Rights Violation (in committee, 2026-05-04) https://openstates.org/co/bills/2026A/SB176/
- SB 168: Transparency of Legislative Caucuses' Money (in committee, 2026-05-05) https://openstates.org/co/bills/2026A/SB168/
- SB 169: Revisor's Bill (became law, 2026-06-02) https://openstates.org/co/bills/2026A/SB169/
- HJR 1027: Holocaust Memorial (passed both chambers, 2026-04-16) https://openstates.org/co/bills/2026A/HJR1027/
- SB 158: Youthful Offender Early Parole Procedure (became law, 2026-05-19) https://openstates.org/co/bills/2026A/SB158/
- SB 159: Inmate Earned Time Formula for Sentence to Department of Corrections (became law, 2026-05-19) https://openstates.org/co/bills/2026A/SB159/
- SJR 17: Reappoint Kerri L. Hunter as State Auditor (passed both chambers, 2026-03-20) https://openstates.org/co/bills/2026A/SJR17/
- SB 135: State Public K-12 Education Funding (passed both chambers, 2026-05-20) https://openstates.org/co/bills/2026A/SB135/
- SB 134: Payment Card Networks' Fees (passed both chambers, 2026-06-03) https://openstates.org/co/bills/2026A/SB134/

## Campaign money (2026 cycle)

Itemized receipts $2,559 (State Senate Democrats median $55.5K). 100% of itemized individual money came from in state. Aggregates only; no individual donors.

## Links

- Official site: https://leg.colorado.gov/legislators/mike-weissman
- Campaign site: https://www.mikeweissman.com/
- Facebook: https://www.facebook.com/mike.weissman.54
- Facebook: https://www.facebook.com/mike4rep
- Instagram: https://www.instagram.com/mjweissman/
- LinkedIn: https://www.linkedin.com/in/mjweissman/

Full profile, with every chart and the methods: https://americaspoliticalpulse.com/p/b680cb39-442c-4dd2-81bd-88696cfe9df2