David Zimmerman
Pennsylvania State Representative, District 99 since 2014. Re-elected in 2026. Next on the ballot in 2028.
- In office
- 12 yrs
- Since 2014
- Bills became law
- 0
- 32 sponsored, 2025–2026 session
- Votes missed
- 0.0%
- Chamber median 0.0%
- With party
- 98%
- On votes splitting the parties
- Last margin
- +36.1
- Won 2026
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET
Committees
As of 2026-10.
- Agriculture and Rural Affairs
- Environmental and Natural Resource Protection
- Health
- Insurance
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
In committee Dec 2025
In committee Sep 2025
Introduced Apr 2025
Introduced Apr 2025
Introduced Apr 2025
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Zimmerman sits in the Pennsylvania House of Representatives
Zimmerman is closer to the center than 13% of the chamber's Republicans.
Closest: Ryan Warner, Josh Bashline, Marc Anderson
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:00 PM ET
With Zimmerman’s party
- Votes with the chamber's Republicans98%
- Cosponsorships of the other party's bills17%
Black tick: the average of Republicans in the Pennsylvania House of Representatives.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Zimmerman’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Zimmerman | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Oct 19, 2026 | SB 908: An Act amending the act of August 15, 1961 (P.L.987, No.442), known as the Pennsylvania… | No | No | Yes | Passed 128–75 |
| Oct 19, 2026 | SB 1260: An Act providing for licensure of electrical contractors, electricians, residential… | No | No | Yes | Passed 116–87 |
| Oct 5, 2026 | HB 2380: An Act amending Title 66 (Public Utilities) of the Pennsylvania Consolidated Statutes, in… | No | No | Yes | Passed 116–86 |
| Sep 29, 2026 | HB 280: An Act amending the act of June 3, 1937 (P.L.1333, No.320), known as the Pennsylvania… | No | No | Yes | Passed 115–88 |
| Jun 15, 2026 | HB 2084: An Act amending the act of March 10, 1949 (P.L.30, No.14), known as the Public School… | No | No | Yes | Passed 119–83 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Zimmerman 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 | Pennsylvania House District 99 | Won | R+36.1 | R+42.9 | −6.8 |
| 2024 | Pennsylvania House of Representatives, District 99 | Won | — | — | — |
| 2022 | Pennsylvania House of Representatives, District 99 | Won | R+42.9 | — | — |
| 2020 | Pennsylvania House of Representatives, District 99 | Won | R+46.8 | — | — |
| 2018 | Pennsylvania House of Representatives, District 99 | Won | R+42.9 | — | — |
| 2016 | Pennsylvania House of Representatives, District 99 | Won | R+48.5 | — | — |
| 2014 | Pennsylvania House of Representatives, District 99 | Won | R+42.6 | — | — |
| 2014 | Pennsylvania House of Representatives, District 99 (primary) | Won | — | — | — |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $84K
- Spent
- $67K
- Cash
- $69.3K
Source: Pennsylvania Department of State filings through Oct 15, 2026Updated Nov 1, 2026, 1:41 AM ET
Campaign committees
Open committees can still raise and spend money.
| SUPPORTERS OF DAVE ZIMMERMAN State | Active |
| DAVID H ZIMMERMAN State | Active |
| DAVID H ZIMMERMAN State | Active |
Source: Pennsylvania Department of State filings through Oct 15, 2026Updated Nov 1, 2026, 1:41 AM ET
Seats Zimmerman has held
- Pennsylvania House of Representatives, District 99 · since 2014
Source: 99chambers results archive
Who Zimmerman has run against
- Ethan Gabrick (D) · 2026 general, won
- Joshua Michael Caltagirone (D) · 2022 election, won
- Richard Michael Hodge (D) · 2020 election, won
- Elizabeth Malarkey (D) · 2018 election, won
- Duane A. Groff (D) · 2016 election, won
- Bryan Sanguinito (D) · 2014 election, won
Source: 99chambers results archive; 2026: civicAPI (unofficial)
How we know Zimmerman
One person, matched across every source we use.
- Open States ocd-person/2fbada46-9c48-4be5-a49f-e1ca0af132ed
- Wikidata Q21258206
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET