David Steffen
Wisconsin State Assemblymember, District 4 since 2014. Ran in 7 elections between 2014 and 2024, winning 7. Re-elected in 2026. Next on the ballot in 2028.
Wisconsin State Assemblymember, District 4Born 1971Businessperson
- In office
- 12 yrs
- Since 2014
- Bills became law
- 26
- 142 sponsored, 2025–2026 session
- Votes missed
- 5.7%
- Chamber median 0.0%
- With party
- 99%
- On votes splitting the parties
- Last margin
- +23.7
- Won 2026
- 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.
- Energy and Utilities · chair
- Criminal Justice and Public Safety
- Government Operations, Accountability and Transparency
- Insurance
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Health Services, Department of — Health · Became law Apr 2026
Administrative rules — Revisions · Became law Apr 2026
Environmental protection · Became law Apr 2026
Aviation · Became law Apr 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Steffen sits in the Wisconsin State Assembly
Steffen is closer to the center than 93% of the chamber's Republicans.
Closest: Scott Allen, Paul Tittl, Chuck Wichgers
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:09 PM ET
With Steffen’s party
- Votes with the chamber's Republicans99%
- Cosponsorships of the other party's bills40%
Black tick: the average of Republicans in the Wisconsin State Assembly.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Steffen’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Steffen | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Feb 19, 2026 | SB 176: Relating to: an income and franchise tax exemption for broadband expansion grants and for… | Yes | Yes | No | Passed 60–34 |
| Feb 19, 2026 | SB 291: Relating to: making certain child care expenditures eligible for the business development… | Yes | Yes | No | Passed 63–31 |
| Feb 19, 2026 | SB 36: Relating to: an income tax exemption for cash tips paid to an employee. (FE) | Yes | Yes | No | Passed 60–31 |
| Feb 19, 2026 | AB 180: Relating to: requiring the Department of Health Services to seek any necessary waiver to… | Yes | Yes | No | Passed 71–22 |
| Feb 18, 2026 | SB 785: Relating to: including information about investigations of license holders in an online… | Yes | Yes | No | Passed 66–32 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Steffen 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 | Wisconsin State Assembly, District 4 | Won | R+23.7 | R+29.4 | −5.7 |
| 2024 | Wisconsin State Assembly, District 4 | Won | R+32.4 | R+29.4 | +3.0 |
| 2022 | Wisconsin State Assembly, District 4 | Won | R+11.1 | — | — |
| 2020 | Wisconsin State Assembly, District 4 | Won | R+6.0 | — | — |
| 2018 | Wisconsin State Assembly, District 4 | Won | R+9.7 | — | — |
| 2016 | Wisconsin State Assembly, District 4 | Won | R+19.4 | — | — |
| 2014 | Wisconsin State Assembly, District 4 | Won | R+18.1 | — | — |
| 2014 | Wisconsin State Assembly, District 4 (primary) | Won | +33.1 | — | — |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $77.1K
- Spent
- $37.7K
- Cash
- $116.1K
Source: Wisconsin Ethics Commission filings through Oct 18, 2026Updated Nov 1, 2026, 1:46 AM ET
Campaign committees
Open committees can still raise and spend money.
| Steffen for Wisconsin State | Active |
Source: Wisconsin Ethics Commission filings through Oct 18, 2026Updated Nov 1, 2026, 1:46 AM ET
Seats Steffen has held
- Wisconsin State Assembly, District 4 · since 2014
Source: 99chambers results archive
Who Steffen has run against
- Alexia Unertl (D) · 2026 election, won
- Jane Benson (D) · 2024 election, won
- Derek Teague (D) · 2022 election, won
- Kathy A. Hinkfuss (D) · 2020 election, won
- Terry Lee (D) · 2018 election, won
- Tony Lee (D) · 2016 election, won
- Chris Plaunt (D) · 2014 election, won
Source: 99chambers results archive; 2026: civicAPI (unofficial)
How we know Steffen
One person, matched across every source we use.
- Open States ocd-person/2a067a93-dffc-4ce7-8975-d37fb67b4512
- Wikidata Q19518372
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:51 PM ET