Glen A. Vilhauer
South Dakota State Senator, District 5 since 2024. Ran in 1 election in 2024, winning 1. Re-elected in 2026. Next on the ballot in 2028.
- In office
- 1 yr
- Since 2024
- Bills became law
- 33
- 58 sponsored, 2025–2026 session
- Votes missed
- 0.0%
- Chamber median 0.8%
- With party
- 54%
- On votes splitting the parties
- Last margin
- +42.2
- Won 2024
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:51 PM ET
Committees
As of 2026-10.
- Retirement Laws · vice chair
- Appropriations
- Appropriations
- Code Commission
- Retirement Laws
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Education · Became law Mar 2026
Appropriation · Became law Mar 2026
Emergency Medical Services · Became law Mar 2026
State Affairs and Government · Became law Mar 2026
Personal Rights and Obligations · Became law Mar 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Vilhauer sits in the South Dakota State Senate
Vilhauer is closer to the center than 97% of the chamber's Republicans.
Closest: Paul Miskimins, Sydney Davis, Brandon Wipf
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:01 PM ET
With Vilhauer’s party
- Votes with the chamber's Republicans54%
Black tick: the average of Republicans in the South Dakota State Senate.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Vilhauer’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Vilhauer | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Mar 9, 2026 | HB 1082: establish parameters for the reimbursement of school districts that provide free or… | Yes | Yes | Yes | Passed 20–14 |
| Mar 5, 2026 | HB 1245: authorize municipalities to establish a local funding mechanism for capital improvement… | Yes | Yes | Yes | Passed 19–15 |
| Mar 5, 2026 | HB 1138: require the licensure of non-medical home care agencies, and to provide a penalty therefor. | Yes | Yes | Yes | Passed 20–14 |
| Mar 4, 2026 | HB 1263: eliminate an exclusion from the definition of an agricultural equipment dealer. | Yes | Yes | No | Passed 28–6 |
| Mar 3, 2026 | HB 1313: require education in prenatal human growth and development. | Yes | Yes | No | Passed 31–3 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Vilhauer 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 | Seat | +/− |
|---|---|---|---|---|---|
| 2026 | South Dakota State Senate, District 5 | Won | — | R+38.9 | — |
| 2024 | South Dakota State Senate, District 5 | Won | R+42.2 | R+38.9 | +3.3 |
Source: 99chambers results archive; 2026: South Dakota Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Seats Vilhauer has held
- South Dakota State Senate, District 5 · since 2024
Source: 99chambers results archive
Who Vilhauer has run against
- Dennis Solberg (D) · 2024 election, won
Source: 99chambers results archive; 2026: South Dakota Secretary of State (unofficial)
How we know Vilhauer
One person, matched across every source we use.
- Open States ocd-person/4d53d676-05f1-409a-8ef8-762d97143443
- Wikidata Q133521420
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:51 PM ET