New Jersey State Senate seat · lines in effect since 2023
New Jersey Legislative District 4
A district of about 235,000 people, 33% of adults with a bachelor's degree. It votes D+2.2 relative to the nation for president.
2023 election
Nov 7, 2023- Paul Moriarty (D) · won55.1%
- Christopher W. Del (R)44.9%
Source: New Jersey Division of ElectionsUpdated Sep 30, 2026, 1:01 PM ET
Where it sits among all 40 seats
Every New Jersey State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every election for this seat
16 races since 1973; the seat changed party 1 time. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2023 | |||
| 2023 | Paul Moriarty (D) | Christopher W. Del (R) | 10.3 |
| Lines first used in 2012 | |||
| 2021 | Fred H. Madden (D) | Stephen H. Pakradooni Jr. (R) | 8.8 |
| 2017 | Fred H. Madden (D) | — | Unopposed |
| 2013 | Fred H. Madden (D) | Giancarlo Dorazio (R) | 15.9 |
| Lines first used in 2002 | |||
| 2011 | Fred H. Madden (D) | Giancarlo Dorazio (R) | 24.2 |
| 2007 | Fred H. Madden (D) | Shelley Lovett (R) | 19.7 |
| 2003 | Fred H. Madden (D) | George F. Geist (R) | 0.2 |
| Lines first used in 1992 | |||
| 2001 | John Matheussen (R) | Joseph L. Manganello (D) | 16.5 |
| 1997 | John Matheussen (R) | Sean F. Dalton (D) | 4.6 |
| 1993 | John Matheussen (R) | Bernard Lynch (D) | 8.6 |
| Lines first used in 1982 | |||
| 1991 | John Matheussen (R)Flip | Anthony S. Marsella (D) | 3.4 |
| 1987 | Daniel J. Dalton (D) | William F. Thomson (R) | 17.8 |
| 1983 | Daniel J. Dalton (D) | Christopher Michaele (R) | 27.8 |
| Lines first used in 1972 | |||
| 1981 | Daniel J. Dalton (D) | Frank B. Smith (R) | 26.7 |
| 1977 | Joseph A. Maressa (D) | Walter C. Gebelein (R) | 30.0 |
| 1973 | Joseph A. Maressa (D) | Thomas E. Jenkins (R) | 27.6 |
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Districts that overlap District 4
The state's districts in other chambers that share residents with this one, and the share of District 4's area in each.
- New Jersey General Assembly
- LD-4 100%
Who lives here, compared
Grey bars show the spread of all 40 seats. Small marks are other seats in New Jersey. The black marker is District 4.
Lower than 77% of seats.
Higher than 95% of seats.
Lower than 90% of seats.
Higher than 72% of seats.
Lower than 85% of seats.
Less dense than 77% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District 335% college gradsR+6.6Not up in 2026District 8
42% college gradsD+1.8Not up in 2026District 2
20% Hispanic · 33% college gradsD+4.0Not up in 2026District 11
47% college gradsD+6.3Not up in 2026
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET