Kristi M Mathieson
Maine State Representative, District 151 since 2020. Ran in 3 elections between 2020 and 2024, winning 3. Re-elected in 2026. Next on the ballot in 2028.
- In office
- 6 yrs
- Since 2020
- Bills became law
- 29
- 42 sponsored, 2025–2026 session
- Votes missed
- 4.5%
- Chamber median 2.6%
- With party
- 99%
- On votes splitting the parties
- Last margin
- +52.1
- 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
Legislation
COMBINED BOARDS · Became law Apr 2026
EMPLOYMENT PRACTICES · Became law Apr 2026
AUTHORITIES AND COLLABORATIONS · Became law Apr 2026
ADMINISTRATION · Became law Apr 2026
EMPLOYMENT PRACTICES · Became law Apr 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Mathieson sits in the Maine House of Representatives
Mathieson is closer to the center than 2% of the chamber's Democrats.
Closest: Charles Skold, Lori Gramlich, Laurie Osher
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:53 PM ET
With Mathieson’s party
- Votes with the chamber's Democrats99%
- Cosponsorships of the other party's bills2%
Black tick: the average of Democrats in the Maine House of Representatives.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Mathieson’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Mathieson | Dem. majority | Rep. majority | Result |
|---|---|---|---|---|---|
| Apr 13, 2026 | LD 395: An Act To Restore Access To Federal Laws Beneficial To The Wabanaki Nations | Yes | Yes | No | Failed 91–54 |
| Apr 9, 2026 | LD 2106: An Act To Prohibit The Disclosure Of Nonpublic Records Without Proper Judicial Review | Yes | Yes | No | Passed 79–69 |
| Apr 8, 2026 | LD 2176: An Act To Create A Right To Judicial Review Under The Maine Civil Rights Act For Persons… | Yes | Yes | No | Passed 76–73 |
| Apr 7, 2026 | LD 1941: An Act To Implement Recommendations Of The Commission To Examine Reestablishing Parole | No | No | Yes | Failed 74–74 |
| Mar 26, 2026 | LD 1343: An Act To Protect The Right To Harvest Wildlife | No | No | Yes | Passed 77–66 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Mathieson 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 | Maine House of Representatives, District 151 | Won | D+52.1 | D+42.7 | +9.4 |
| 2024 | Maine House of Representatives, District 151 | Won | D+40.5 | D+42.7 | −2.2 |
| 2022 | Maine House of Representatives, District 151 | Won | — | D+42.2 | — |
| 2020 | Maine House of Representatives, District 1 | Won | — | — | — |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $13.9K
- Spent
- $9.5K
Source: Maine Ethics Commission filings through Oct 13, 2026Updated Oct 31, 2026, 10:42 PM ET
Campaign committees
Open committees can still raise and spend money.
| Mathieson, Kristi State | Active |
Source: Maine Ethics Commission filings through Oct 13, 2026Updated Oct 31, 2026, 10:42 PM ET
Seats Mathieson has held
- Maine House of Representatives, District 151 · since 2022
- Maine House of Representatives, District 1 · since 2020
Source: 99chambers results archive
Who Mathieson has run against
- Suzanne Johnson (R) · 2026 election, won
Source: 99chambers results archive; 2026: civicAPI (unofficial)
How we know Mathieson
One person, matched across every source we use.
- Open States ocd-person/375e5fda-9367-4ce3-a209-1c772c32219f
- Wikidata Q105492004
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:51 PM ET