Patrick Diegnan
New Jersey State Senator, District 18 since 2017. Ran in 13 elections between 2001 and 2023, winning 12. Next on the ballot in 2027.
- In office
- 8 yrs
- Since 2017
- Bills became law
- 33
- 183 sponsored, 2025–2026 session
- Votes missed
- 0.9%
- Chamber median 2.7%
- With party
- 100%
- On votes splitting the parties
- Last margin
- +28.0
- Won 2023
- Next election
- 2027
- Nov 2, 2027
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET
Committees
As of 2026-10.
- Transportation · chair
- Budget and Appropriations
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
EDUC FINANCE · Became law Jan 2026
HUMAN SVCS · Became law Jan 2026
POLICE · Became law Jan 2026
MOTOR VEHICL · Became law Jan 2026
HIGHWAYS · Became law Jan 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Diegnan sits in the New Jersey State Senate
Diegnan is closer to the center than 12% of the chamber's Democrats.
Closest: Linda Greenstein, Brian Stack, Nick Scutari
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:57 PM ET
With Diegnan’s party
- Votes with the chamber's Democrats100%
- Cosponsorships of the other party's bills35%
Black tick: the average of Democrats in the New Jersey State Senate.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Diegnan’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Diegnan | Dem. majority | Rep. majority | Result |
|---|---|---|---|---|---|
| Dec 22, 2025 | A 3016: Allows follow-up communication by operators of mental health and suicide crisis resources… | Yes | Yes | No | Passed 27–6 |
| Dec 18, 2025 | A 2316: Increases traffic threshold for local installation of certain speed humps on certain local… | Yes | Yes | Yes | Passed 35–2 |
| Dec 18, 2025 | S 3776: Establishes Chronic Absenteeism Task Force. | Yes | Yes | No | Passed 26–12 |
| Jun 30, 2025 | A 5463: Requires electric public utilities to submit annual report on voting to BPU. | Yes | Yes | No | Passed 29–8 |
| Jun 30, 2025 | S 4476: Permits awarding of contracts for certain preschool education services by resolution of… | Yes | Yes | No | Passed 30–7 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Diegnan 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 | +/− |
|---|---|---|---|---|---|
| 2023 | New Jersey State Senate, District 18 | Won | D+28.0 | D+22.3 | +5.7 |
| 2021 | New Jersey State Senate, District 18 | Won | D+21.3 | — | — |
| 2017 | New Jersey State Senate, District 18 | Won | D+31.2 | — | — |
| 2016 | New Jersey State Senate, District 18 | Lost | D+23.5 | — | — |
| 2015 | New Jersey General Assembly, District 18 | Won | D+0.3 | — | — |
| 2015 | New Jersey General Assembly, District 18 (primary) | Won | +3.0 | — | — |
| 2013 | New Jersey General Assembly, District 18 | Won | D+0.9 | — | — |
| 2011 | New Jersey General Assembly, District 18 | Won | R+0.2 | — | — |
| 2009 | New Jersey General Assembly, District 18 | Won | R+0.3 | — | — |
| 2007 | New Jersey General Assembly, District 18 | Won | D+0.4 | — | — |
| 2005 | New Jersey General Assembly, District 18 | Won | R+1.7 | — | — |
| 2003 | New Jersey General Assembly, District 18 | Won | R+2.9 | — | — |
| 2001 | New Jersey General Assembly, District 18 | Won | R+1.9 | — | — |
Source: 99chambers results archive
Seats Diegnan has held
- New Jersey State Senate, District 18 · since 2017
- New Jersey General Assembly, District 18 · 2001–2017
Source: 99chambers results archive
Who Diegnan has run against
- Neal Shah (R) · 2023 election, won
- Vihal R. Patel (R) · 2021 election, won
- Lewis Glogower (R) · 2017 election, won
- Roger W. Daley (I) · 2016 election, lost
- Nancy Pinkin (D) · 2015 election, won
- Peter J. Barnes III (D) · 2011 election, won
- Peter J. Barnes Jr. (D) · 2005 election, won
Source: 99chambers results archive
How we know Diegnan
One person, matched across every source we use.
- Open States ocd-person/16048732-130c-4102-b6e7-2d8faa0c3f52
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET