RepublicanIn office since Nov 2017

Declan O'Scanlon

New Jersey State Senator, District 13 since 2017. Ran in 10 elections between 2005 and 2023, winning 9. Next on the ballot in 2027.

New Jersey State Senator, District 13

In office
8 yrs
Since 2017
Bills became law
6
103 sponsored, 2025–2026 session
Votes missed
5.5%
Chamber median 2.7%
With party
96%
On votes splitting the parties
Last margin
+17.6
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.

  • Budget Oversight
  • Budget and Appropriations
  • Law and Public Safety

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 103 sponsored · 6 became law
BillIntroCmteSenateHouseLaw
A 4653 Requires AG to establish training program for crowd management and provide resources to municipal police…
POLICE · Became law Jan 2026
S 2493 Establishes minimum base NJ FamilyCare per diem reimbursement rate of $1,100 for special care nursing…
DISABLED · Became law Jan 2026
A 1948 Requires VCCO to issue annual report to Governor and Legislature.
CRIME VICTIM · Became law Aug 2025
A 5141 Establishes historic distillery license; allows consumption of licensee's products on and off licensed…
ALCOHOLIC BE · Became law Jul 2025
S 1017 Establishes right of sexual assault victim to notification of certain developments in criminal case.
CRIME VICTIM · Became law Sep 2024

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Voting record

2025–2026 session · placement by roll-call votes

Where O'Scanlon sits in the New Jersey State Senate

O'Scanlon is closer to the center than 40% of the chamber's Republicans.

Dem. medianRep. medianO'ScanlonMore liberalMore conservative

Closest: Holly Schepisi, Jon Bramnick, Jim Holzapfel

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:57 PM ET

With O'Scanlon’s party

  • Votes with the chamber's Republicans96%
  • Cosponsorships of the other party's bills86%

Black tick: the average of Republicans 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: O'Scanlon’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time O'Scanlon 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.

YearRaceResultMarginSeat+/−
2023New Jersey State Senate, District 13WonR+17.6R+6.8+10.8
2021New Jersey State Senate, District 13WonR+22.9——
2017New Jersey State Senate, District 13WonR+10.2——
2015New Jersey General Assembly, District 13WonD+1.3——
2015New Jersey General Assembly, District 13 (primary)Won−2.5——
2013New Jersey General Assembly, District 13WonD+1.1——
2011New Jersey General Assembly, District 13WonD+1.7——
2009New Jersey General Assembly, District 12WonR+0.2——
2007New Jersey General Assembly, District 12WonR+0.1——
2005New Jersey General Assembly, District 12LostD+0.8——

Source: 99chambers results archive

Seats O'Scanlon has held

Source: 99chambers results archive

Who O'Scanlon has run against

Source: 99chambers results archive

How we know O'Scanlon

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET