Shannon Zimmerman
Wisconsin State Assemblymember, District 30 since 2016. Lost re-election in 2026; leaves office in January 2027. Ran in 7 elections between 2010 and 2024, winning 5.
Wisconsin State Assemblymember, District 30Born 1972Businessperson
- In office
- 9 yrs
- Since 2016
- Bills became law
- 3
- 43 sponsored, 2025–2026 session
- Votes missed
- 19.5%
- Chamber median 0.0%
- With party
- 100%
- On votes splitting the parties
- Last margin
- −5.9
- Lost 2026
- Elections
- 8
- 2010–2026
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET
Committees
As of 2026-10.
- Finance
- Finance
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Corporation — Taxation · Became law Apr 2026
Alcohol beverage — Regulation · Vetoed May 2026
Apprenticeship · Vetoed May 2026
Crime and criminals — Felony · Vetoed May 2026
Cigarette · Failed in the Senate Mar 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Zimmerman sits in the Wisconsin State Assembly
Zimmerman is closer to the center than 78% of the chamber's Republicans.
Closest: Kevin Petersen, Jeff Mursau, Calvin Callahan
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:09 PM ET
With Zimmerman’s party
- Votes with the chamber's Republicans100%
- Cosponsorships of the other party's bills44%
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: Zimmerman’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Zimmerman | 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 Zimmerman 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 30 | Lost | D+5.9 | R+4.5 | −10.4 |
| 2024 | Wisconsin State Assembly, District 30 | Won | R+8.5 | R+4.5 | +4.0 |
| 2022 | Wisconsin State Assembly, District 30 | Won | R+17.0 | — | — |
| 2020 | Wisconsin State Assembly, District 30 | Won | R+11.8 | — | — |
| 2018 | Wisconsin State Assembly, District 30 | Won | R+7.9 | — | — |
| 2016 | U.S. House, WI-1 | Lost | D+62.3 | — | — |
| 2016 | Wisconsin State Assembly, District 30 | Won | R+17.1 | — | — |
| 2010 | Wisconsin State Assembly, District 48 | Lost | D+48.2 | — | — |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $1.9M
- Spent
- $129.7K
- Cash
- $75.6K
Source: Wisconsin Ethics Commission filings through Oct 29, 2026Updated Nov 1, 2026, 1:46 AM ET
Campaign committees
Open committees can still raise and spend money.
| Zimmerman for Wisconsin State | Active |
Source: Wisconsin Ethics Commission filings through Oct 29, 2026Updated Nov 1, 2026, 1:46 AM ET
Seats Zimmerman has held
- Wisconsin State Assembly, District 30 · since 2016
Source: 99chambers results archive
Who Zimmerman has run against
- Kevin Knoke (D) · 2026 election, lost
- Alison H. Page (D) · 2024 election, won
- Sarah Yacoub (D) · 2022 election, won
- Barry Hammarback (D) · 2018 election, won
- Paul D. Ryan (R) · 2016 election, lost
- Scott J. Nelson (D) · 2016 election, won
- Joseph T. Parisi (D) · 2010 election, lost
Source: 99chambers results archive; 2026: civicAPI (unofficial)
How we know Zimmerman
One person, matched across every source we use.
- Open States ocd-person/d949fee5-765b-43ea-913c-386fe2b3c441
- Wikidata Q28317021
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET