Chris Mathias
Idaho State Representative, District 19 since 2020. Re-elected in 2026. Next on the ballot in 2028.
- In office
- 6 yrs
- Since 2020
- Votes missed
- 6.8%
- Chamber median 1.8%
- With party
- 96%
- On votes splitting the parties
- Last margin
- +0.1
- 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.
- Agricultural Affairs
- Education
- Ethics and House Policy
- Federalism
- Judiciary, Rules and Administration
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Voting record
Where Mathias sits in the Idaho House of Representatives
Mathias is closer to the center than 11% of the chamber's Democrats.
Closest: Steve Berch, Ilana Rubel, Brooke Green
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:49 PM ET
With Mathias’s party
- Votes with the chamber's Democrats96%
Black tick: the average of Democrats in the Idaho House of Representatives.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Mathias’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Mathias | Dem. majority | Rep. majority | Result |
|---|---|---|---|---|---|
| Apr 2, 2026 | S 1438: APPROPRIATIONS – PUBLIC SCHOOLS – IDAHO DIGITAL LEARNING ACADEMY DIVISION – Relates to the… | No | No | Yes | Passed 38–28 |
| Apr 2, 2026 | H 978: APPROPRIATIONS – HEALTH AND WELFARE – PUBLIC HEALTH SERVICES – Relates to the appropriation… | No | Yes | Yes | Passed 34–29 |
| Mar 31, 2026 | S 1433: APPROPRIATIONS – HEALTH AND WELFARE – MEDICAID – Relates to the appropriation to the… | Yes | Yes | Yes | Passed 35–32 |
| Mar 30, 2026 | H 964: APPROPRIATIONS – DEPARTMENT OF FISH AND GAME – Relates to the appropriation to the… | Yes | Yes | Yes | Passed 36–30 |
| Mar 27, 2026 | S 1427: APPROPRIATIONS – DEPARTMENT OF LANDS – Relates to the appropriation to the Department of… | Yes | Yes | No | Passed 36–33 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Mathias 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 | Idaho Legislative District 19 | Won | D+0.1 | D+33.4 | −33.3 |
| 2024 | Idaho House of Representatives, District 19 | Won | D+3.0 | — | — |
| 2022 | Idaho House of Representatives, District 19 | Won | D+0.2 | — | — |
| 2020 | Idaho House of Representatives, District 19 | Won | R+0.7 | — | — |
Source: 99chambers results archive; 2026: Idaho Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $53.5K
- Spent
- $73.1K
- Cash
- $7.1K
Source: Idaho Secretary of State filings through Oct 28, 2026Updated Nov 1, 2026, 12:43 AM ET
Campaign committees
Open committees can still raise and spend money.
| Mathias for Idaho State | Active |
Source: Idaho Secretary of State filings through Oct 28, 2026Updated Nov 1, 2026, 12:43 AM ET
Seats Mathias has held
- Idaho House of Representatives, District 19 · since 2020
Source: 99chambers results archive
Who Mathias has run against
- Monica C. Church (D) · 2026 general, won
- Monica Church (D) · 2024 election, won
- Lauren Necochea (D) · 2022 election, won
Source: 99chambers results archive; 2026: Idaho Secretary of State (unofficial)
How we know Mathias
One person, matched across every source we use.
- Open States ocd-person/7e3f625c-e56e-409a-9989-b07cd77344f6
- Wikidata Q104904526
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET