Mark I. Thompson
Iowa State Representative, District 56 since 2022. Ran in 2 elections between 2022 and 2024, winning 2. Re-elected in 2026. Next on the ballot in 2028.
- In office
- 3 yrs
- Since 2022
- Bills became law
- 0
- 42 sponsored, 2025–2026 session
- Votes missed
- 0.4%
- Chamber median 3.8%
- With party
- 97%
- On votes splitting the parties
- Last margin
- +39.4
- Won 2026
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET
Committees
As of 2026-10.
- International Relations
- Judiciary
- Local Government
- Veterans Affairs
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
No bills in this list for the 2025–2026 session.
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Thompson sits in the Iowa House of Representatives
Thompson is closer to the center than 50% of the chamber's Republicans.
Closest: Chad Behn, Blaine Watkins, Ryan Weldon
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:49 PM ET
With Thompson’s party
- Votes with the chamber's Republicans97%
Black tick: the average of Republicans in the Iowa House of Representatives.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Thompson’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Thompson | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| May 2, 2026 | HF 2542: A bill for an act relating to habitual offenders, and providing penalties. | Yes | Yes | No | Passed 66–20 |
| May 2, 2026 | SF 2490: A bill for an act relating to oil and gas production, including filing requirements, the… | Yes | Yes | No | Passed 65–21 |
| May 2, 2026 | HF 2771: A bill for an act relating to and making appropriations involving state government… | Yes | Yes | No | Passed 66–18 |
| May 2, 2026 | SF 2472: A bill for an act relating to state and local government taxes, fees, financial… | Yes | Yes | No | Passed 62–22 |
| Apr 29, 2026 | SF 2218: A bill for an act relating to state regulatory compliance and eligibility requirements,… | Yes | Yes | No | Passed 71–20 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Thompson 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 | Iowa House of Representatives, District 56 | Won | R+39.4 | R+45.1 | −5.7 |
| 2024 | Iowa House of Representatives, District 56 | Won | R+48.4 | R+45.1 | +3.3 |
| 2022 | Iowa House of Representatives, District 56 | Won | R+64.7 | R+41.4 | +23.3 |
Source: 99chambers results archive; 2026: Iowa Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $7K
- Spent
- $4.6K
Source: Iowa Ethics and Campaign Disclosure Board filings through Jul 13, 2026Updated Oct 31, 2026, 10:42 PM ET
Campaign committees
Open committees can still raise and spend money.
| Mark Thompson for Iowa House State | Active |
Source: Iowa Ethics and Campaign Disclosure Board filings through Jul 13, 2026Updated Oct 31, 2026, 10:42 PM ET
Seats Thompson has held
- Iowa House of Representatives, District 56 · since 2022
Source: 99chambers results archive
Who Thompson has run against
- Kyle Kruse (D) · 2026 election, won
- Charles Aldrich (L) · 2022 election, won
Source: 99chambers results archive; 2026: Iowa Secretary of State (unofficial)
How we know Thompson
One person, matched across every source we use.
- Open States ocd-person/967868e2-3ec5-425f-bc96-f41208809217
- Wikidata Q125119573
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET