# Mark Spreitzer

Mark Spreitzer is a Democratic member of the Wisconsin Senate for district 15.

- Party: Democrat
- Seat: Wisconsin Senate, district 15
- Serving since: 2023-01-03
- Current term: WI 2025–26 session
- Open States ID: ocd-person/3bd551f3-a086-4f32-9a6e-31d04d0529ce

Source: https://americaspoliticalpulse.com/p/3bd551f3-a086-4f32-9a6e-31d04d0529ce (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

Spreitzer sits at −0.43 on the CSIP scale, more conservative than 81% of State Senate Democrats.

## Ideology (CSIP)

CSIP score −0.43 (standard error 0.02), from 926 donors and 586 roll calls. Negative is left of 0, positive right of it, on one scale for every official. 81% of State Senate Democrats score lower.

## Votes (WI 2025–26 session)

191 roll calls. Attendance 100% (Wisconsin Senate 99.8%). Party unity 99.1% (97.3%). 4 votes against the party majority.

Key votes:

- 2026-03-17 · voted yea · CONCURRENCE · AB 911 Relating to: funding for a battery collection and recycling program and making an appropriation. (FE) · pass · https://openstates.org/wi/bills/2025/AB911/
- 2026-03-17 · voted yea · CONCURRENCE · AB 454 Relating to: a workforce home loan program. (FE) · pass · https://openstates.org/wi/bills/2025/AB454/
- 2026-03-17 · voted yea · CONCURRENCE · AB 182 Relating to: changes to the low-income housing tax credit. (FE) · pass · https://openstates.org/wi/bills/2025/AB182/
- 2026-03-17 · voted yea · CONCURRENCE · AB 604 Relating to: coverage under the Medical Assistance program for incarcerated individuals. (FE) · pass · https://openstates.org/wi/bills/2025/AB604/
- 2026-03-17 · voted nay · CONCURRENCE · AB 248 Relating to: vacancies in appointive state offices. · pass · https://openstates.org/wi/bills/2025/AB248/
- 2026-03-17 · voted yea · CONCURRENCE · AB 884 Relating to: who may purchase certain contractual services and technical changes to tax provisions related to qualified retirement plans and the film… · pass · https://openstates.org/wi/bills/2025/AB884/
- 2026-03-17 · voted nay · CONCURRENCE · AB 595 Relating to: compliance with the federal Help America Vote Act, voter registration data sharing agreements, removing ineligible voters from the… · pass · https://openstates.org/wi/bills/2025/AB595/
- 2026-03-17 · voted yea · CONCURRENCE · AB 373 Relating to: creating a refundable individual income tax credit for the parent of a stillbirth and making an appropriation. (FE) · pass · https://openstates.org/wi/bills/2025/AB373/
- 2026-03-17 · voted yea · CONCURRENCE · AB 685 Relating to: individual income tax subtraction for certain theft losses. (FE) · pass · https://openstates.org/wi/bills/2025/AB685/
- 2026-03-17 · voted yea · CONCURRENCE · AB 650 Relating to: funding for identity verification under the unemployment insurance law and making an appropriation. (FE) · pass · https://openstates.org/wi/bills/2025/AB650/

## Legislation (WI 2025–26 session)

Sponsored 548 bills: 548 reached committee, 61 passed one chamber, 32 passed both, 31 became law. Cosponsored 0. 18.3% of sponsored bills got out of committee (Wisconsin Senate 42.9%; rank 20 of 33).

Recent sponsored bills:

- SB 1171: Relating to: prohibiting retail dynamic price gouging of consumer goods and providing a penalty. (in committee, 2026-06-01) https://openstates.org/wi/bills/2025/SB1171/
- SB 1151: Relating to: general equalization aids, the reimbursement rate for special education costs, excluding special education reimbursement from certain per pupil… (in committee, 2026-03-23) https://openstates.org/wi/bills/2025/SB1151/
- SB 1123: Relating to: a state minimum wage, allowing the enactment of local minimum wage ordinances, and granting rule-making authority. (FE) (in committee, 2026-03-23) https://openstates.org/wi/bills/2025/SB1123/
- SB 1184: Relating to: creating a journalism fellowship program in the University of Wisconsin System and making an appropriation. (FE) (in committee, 2026-04-24) https://openstates.org/wi/bills/2025/SB1184/
- SB 1152: Relating to: requirements for granting a certificate for certain electric facilities and use of environmental trust bonds to finance the costs of retiring… (in committee, 2026-03-23) https://openstates.org/wi/bills/2025/SB1152/
- SB 1149: Relating to: prescription drug cost reporting by manufacturers, making an appropriation, and providing a penalty. (FE) (in committee, 2026-03-23) https://openstates.org/wi/bills/2025/SB1149/
- SB 1139: Relating to: preference in state and local government contracts and procurement for materials manufactured in the United States and granting rule-making… (in committee, 2026-04-08) https://openstates.org/wi/bills/2025/SB1139/
- SB 1181: Relating to: residency requirements for certain employees of a local governmental unit. (FE) (in committee, 2026-04-08) https://openstates.org/wi/bills/2025/SB1181/
- SB 1180: Relating to: circulating or signing nomination papers and certain petitions. (in committee, 2026-03-23) https://openstates.org/wi/bills/2025/SB1180/
- SB 1117: Relating to: entering into an agreement among the states to elect the president and vice president of the United States by means of a national popular vote. (in committee, 2026-03-23) https://openstates.org/wi/bills/2025/SB1117/

## Campaign money (2026 cycle)

Itemized receipts $92.2K (State Senate Democrats median $55.5K). 93% of itemized individual money came from in state. Aggregates only; no individual donors.

## Links

- Official site: https://docs.legis.wisconsin.gov/2023/legislators/senate/2561
- Campaign site: https://legis.wisconsin.gov/senate/15/spreitzer
- X: https://x.com/RepSpreitzer
- Facebook: https://www.facebook.com/RepSpreitzer
- YouTube: https://www.youtube.com/channel/UCg2XsUAhuseCBGn94NJcJqg
- LinkedIn: https://www.linkedin.com/in/mark-spreitzer-51472246

Full profile, with every chart and the methods: https://americaspoliticalpulse.com/p/3bd551f3-a086-4f32-9a6e-31d04d0529ce