# Sam Marty

Sam Marty is a Republican member of the South Dakota Senate for district 28.

- Party: Republican
- Seat: South Dakota Senate, district 28
- Serving since: 2015-01-13
- Current term: SD 2025–26 session
- Open States ID: ocd-person/3ff2f0b9-b570-4980-941f-9616ea0bbc55

Source: https://americaspoliticalpulse.com/p/3ff2f0b9-b570-4980-941f-9616ea0bbc55 (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

Marty sits at −0.24 on the CSIP scale, more liberal than 99% of State Senate Republicans.

## Ideology (CSIP)

CSIP score −0.24 (standard error 0.01), from 3 donors and 885 roll calls. Negative is left of 0, positive right of it, on one scale for every official. 1.0% of State Senate Republicans score lower.

## Votes (SD 2025–26 session)

567 roll calls. Attendance 99.8% (South Dakota Senate 96.6%). Party unity 95.2% (76%). 90 votes against the party majority.

Key votes:

- 2026-03-12 · voted nay · Do Pass · HB 1326 appropriate money for the ordinary expenses of the legislative, judicial, and executive departments of the state, the current expenses of state… · pass · https://openstates.org/sd/bills/2026/HB1326/
- 2026-03-12 · voted yea · Do Pass Amended · HB 1051 revise property tax levies for school districts and to revise the state aid to general and special education formulas. · pass · https://openstates.org/sd/bills/2026/HB1051/
- 2026-03-12 · voted nay · Do Pass Amended · SB 78 revise the General Appropriations Act for fiscal year 2026. · pass · https://openstates.org/sd/bills/2026/SB78/
- 2026-03-09 · voted yea · Do Pass Amended · HB 1006 create a taskforce to study the creation of Indian medicaid managed care entities in the state. · pass · https://openstates.org/sd/bills/2026/HB1006/
- 2026-03-09 · voted yea · Do Pass Amended · HB 1241 modify the requirements for public notice of a hearing prior to a vote to impose an excess tax levy, and to modify requirements to refer an excess tax… · fail · https://openstates.org/sd/bills/2026/HB1241/
- 2026-03-09 · voted yea · Do Pass · HB 1140 permit a court to impose as a condition of probation, or parole in certain circumstances, treatment at a nonprofit entity awarded an alternative care… · pass · https://openstates.org/sd/bills/2026/HB1140/
- 2026-03-09 · voted nay · Do Pass · HB 1160 repeal the medical marijuana oversight committee. · fail · https://openstates.org/sd/bills/2026/HB1160/
- 2026-03-09 · voted yea · Do Pass Amended · HB 1184 define man and woman throughout the state. · pass · https://openstates.org/sd/bills/2026/HB1184/
- 2026-03-09 · voted nay · Do Pass Amended · HB 1241 modify the requirements for public notice of a hearing prior to a vote to impose an excess tax levy, and to modify requirements to refer an excess tax… · fail · https://openstates.org/sd/bills/2026/HB1241/
- 2026-03-09 · voted nay · Do Pass Amended · HB 1082 establish parameters for the reimbursement of school districts that provide free or reduced-price meals to students. · pass · https://openstates.org/sd/bills/2026/HB1082/

## Legislation (SD 2025–26 session)

Sponsored 10 bills: 8 reached committee, 4 passed one chamber, 4 passed both, 2 became law. Cosponsored 0. 70.0% of sponsored bills got out of committee (South Dakota Senate 78.2%; rank 27 of 34).

Recent sponsored bills:

- HB 1267: require statewide livestock ownership inspection. (in committee, 2026-02-12) https://openstates.org/sd/bills/2026/HB1267/
- HB 1295: revise provisions for the acquisition of highway easements and rights of way. (in committee, 2026-02-18) https://openstates.org/sd/bills/2026/HB1295/
- SB 203: require the review of a financing plan to establish a tax increment financing district. (in committee, 2026-02-12) https://openstates.org/sd/bills/2026/SB203/
- HC 8003: congratulating and honoring Joyce Waddell on her retirement from the Bison School District. (introduced, 2026-01-28) https://openstates.org/sd/bills/2026/HC8003/
- SB 70: modify the maximum sparsity benefit a sparse school district is eligible to receive. (became law, 2025-03-31) https://openstates.org/sd/bills/2025/SB70/
- SC 806: Honoring Jonni Arpan, of Eagle Butte, a member of the Eagle Butte School District Board of Education, on her selection as the Associated School Boards of… (introduced, 2025-02-06) https://openstates.org/sd/bills/2025/SC806/
- SJR 503: Proposing and submitting to the voters at the next general election an amendment to the Constitution of the State of South Dakota, clarifying that an… (passed both chambers, 2025-03-12) https://openstates.org/sd/bills/2025/SJR503/
- SB 79: permit the operation of a Class I electric bicycle on the Mickelson Trail. (became law, 2025-03-13) https://openstates.org/sd/bills/2025/SB79/
- SB 85: provide property tax relief to certain senior owners of owner-occupied single-family dwellings. (in committee, 2025-02-19) https://openstates.org/sd/bills/2025/SB85/
- SB 16: set aside certain contractor's excise tax collections relating to the Ellsworth Air Force Base, to create a fund for the collections, and to provide an… (passed both chambers, 2025-03-03) https://openstates.org/sd/bills/2025/SB16/

## Campaign money (2024 cycle)

Itemized receipts $6,425 (State Senate Republicans median $28.3K). 7.0% of itemized individual money came from in state. Aggregates only; no individual donors.

## Links

- Official site: https://sdlegislature.gov/Legislators/Profile/4648/Detail
- X: https://x.com/MartyOverweg
- Facebook: https://www.facebook.com/p/Marty-Overweg-for-South-Dakota-100069137083005/

Full profile, with every chart and the methods: https://americaspoliticalpulse.com/p/3ff2f0b9-b570-4980-941f-9616ea0bbc55