David A. Sieck
Iowa State Representative, District 16 since 2016. Ran in 5 elections between 2016 and 2024, winning 5. Re-elected in 2026. Next on the ballot in 2028.
- In office
- 9 yrs
- Since 2016
- Bills became law
- 0
- 24 sponsored, 2025–2026 session
- Votes missed
- 20.7%
- Chamber median 3.8%
- With party
- 97%
- On votes splitting the parties
- Last margin
- +34.7
- 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.
- Agriculture
- Economic Growth and Technology
- Transportation
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 Sieck sits in the Iowa House of Representatives
Sieck is closer to the center than 63% of the chamber's Republicans.
Closest: Judd Lawler, Jennifer Smith, Bill Gustoff
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:49 PM ET
With Sieck’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: Sieck’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Sieck | 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 Sieck 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 16 | Won | R+34.7 | R+43.0 | −8.3 |
| 2024 | Iowa House of Representatives, District 16 | Won | R+50.1 | R+43.0 | +7.1 |
| 2022 | Iowa House of Representatives, District 16 | Won | — | R+41.2 | — |
| 2020 | Iowa House of Representatives, District 23 | Won | — | — | — |
| 2018 | Iowa House of Representatives, District 23 | Won | R+32.3 | — | — |
| 2016 | Iowa House of Representatives, District 23 | Won | R+42.5 | — | — |
Source: 99chambers results archive; 2026: Iowa Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $3.7K
- Spent
- $4.7K
Source: Iowa Ethics and Campaign Disclosure Board filings through Feb 4, 2026Updated Oct 31, 2026, 10:42 PM ET
Campaign committees
Open committees can still raise and spend money.
| Citizens for Sieck State | Active |
Source: Iowa Ethics and Campaign Disclosure Board filings through Feb 4, 2026Updated Oct 31, 2026, 10:42 PM ET
Seats Sieck has held
- Iowa House of Representatives, District 16 · since 2022
- Iowa House of Representatives, District 23 · since 2016
Source: 99chambers results archive
Who Sieck has run against
- Jack Goodman (D) · 2026 election, won
- Candella Foleyfinchem (D) · 2024 election, won
- Chuck Larson (D) · 2018 election, won
- Craig Florian (D) · 2016 election, won
Source: 99chambers results archive; 2026: Iowa Secretary of State (unofficial)
How we know Sieck
One person, matched across every source we use.
- Open States ocd-person/7e4913e9-9219-461f-9842-2a96813e009e
- Wikidata Q23073725
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET