Jon Zlotnik
Massachusetts State Representative, District 143 since 2012. Did not run for re-election in 2026; leaves office in January 2027.
- In office
- 14 yrs
- Since 2012
- Bills became law
- 0
- 9 sponsored, 2025–2026 session
- Votes missed
- 1.7%
- Chamber median 0.9%
- With party
- 100%
- On votes splitting the parties
- Last margin
- +4.5
- Won 2024
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET
Committees
As of 2026-10.
- Community Development and Small Businesses · vice chair
- Agriculture and Fisheries
- Economic Development and Emerging Technologies
- Environment and Natural Resources
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Failed in the Senate Aug 2026
Failed in the House Mar 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Zlotnik sits in the Massachusetts House of Representatives
Zlotnik is closer to the center than 11% of the chamber's Democrats.
Closest: Jay Livingstone, Jessica Giannino, Kristin Kassner
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:51 PM ET
With Zlotnik’s party
- Votes with the chamber's Democrats100%
- Cosponsorships of the other party's bills26%
Black tick: the average of Democrats in the Massachusetts House of Representatives.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Zlotnik’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Zlotnik | Dem. majority | Rep. majority | Result |
|---|---|---|---|---|---|
| Jul 22, 2026 | H 5595: An Act prioritizing patient access to care | Yes | Yes | No | Passed 119–33 |
| Jul 8, 2026 | H 5562: An Act relative to economic development in the commonwealth | Yes | Yes | Yes | Passed 145–6 |
| Jul 1, 2026 | H 5555: An Act making appropriations for the fiscal year 2027 for the maintenance of the… | Not voting | Yes | Yes | Passed 142–6 |
| Jun 10, 2026 | S 2726: An Act regarding free expression | No | No | Yes | Failed 23–133 |
| Apr 28, 2026 | H 5500: An Act making appropriations for the fiscal year 2027 for the maintenance of the… | Yes | Yes | No | Passed 136–20 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Zlotnik 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 |
|---|---|---|---|
| 2024 | Massachusetts House of Representatives, District 143 | Won | D+4.5 |
| 2022 | Massachusetts House of Representatives, District 143 | Won | D+7.0 |
| 2020 | Massachusetts House of Representatives, District 204 | Won | D+14.3 |
| 2018 | Massachusetts House of Representatives, District 204 | Won | D+10.5 |
| 2016 | Massachusetts House of Representatives, District 204 | Won | — |
| 2014 | Massachusetts House of Representatives, District 204 | Won | D+0.3 |
| 2012 | Massachusetts House of Representatives, District 204 | Won | D+2.0 |
Source: 99chambers results archive
Seats Zlotnik has held
- Massachusetts House of Representatives, District 143 · since 2022
- Massachusetts House of Representatives, District 204 · since 2012
Source: 99chambers results archive
Who Zlotnik has run against
- Bruce K. Chester (R) · 2024 general, won
- Bruce K. Chester (R) · 2022 general, won
- Bruce K. Chester (R) · 2020 general, won
- Edward A. Gravel (R) · 2018 general, won
- Garret Shetrawski (R) · 2014 general, won
- Richard Bastien (R) · 2012 general, won
Source: 99chambers results archive
How we know Zlotnik
One person, matched across every source we use.
- Open States ocd-person/49c4bb4e-fadd-4136-953f-6bd64a970acb
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET