New Jersey General Assembly seat · lines in effect since 2023
New Jersey Legislative District 30
A district of about 230,000 people, 43% of adults with a bachelor's degree. It votes R+44.4 relative to the nation for president.
2025 election
Nov 4, 2025- Sean Kean (R) · won31.4%
- Avi Schnall (D) · won30.3%
- Edward H. Thomson III (R)25.8%
- Joanne Debenedictis (D)12.4%
Source: New Jersey Division of ElectionsUpdated Sep 30, 2026, 1:01 PM ET
Where it sits among all 40 seats
Every New Jersey General Assembly 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
27 races since 1973. 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 | |||
| 2025 | Sean Kean · Avi Schnall (REP) | Edward H. Thomson III (R) | 4.5 |
| 2023 | Sean Kean · Avi Schnall (REP) | Edward H. Thomson (R) | 12.2 |
| Lines first used in 2012 | |||
| 2021 | Sean Kean · Edward H. Thomson (R) | Stephen Dobbins (D) | 21.5 |
| 2019 | Sean Kean · Edward H. Thomson (R) | Steven Farkas (D) | 19.4 |
| 2017 | Sean Kean · Edward H. Thomson (R) | Kevin Scott (D) | 11.8 |
| 2015 | Sean Kean · David P. Rible (R) | Jim Keady (D) | 18.0 |
| 2013 | Sean Kean · David P. Rible (R) | Jimmy Esposito (D) | 22.5 |
| Lines first used in 2002 | |||
| 2011 | Sean Kean · David P. Rible (R) | Shaun Orourke (D) | 14.2 |
| 2009 | Joseph R. Malone III · Ronald S. Dancer (R) | John Kocubinski (D) | 21.2 |
| 2007 | Joseph R. Malone III · Ronald S. Dancer (R) | Sharon Atkinson (D) | 11.7 |
| 2005 | Joseph R. Malone III · Ronald S. Dancer (R) | Jeffrey Williamson (D) | 14.1 |
| 2003 | Joseph R. Malone III · Ronald S. Dancer (R) | Joseph D. Grisanti (D) | 13.0 |
| Lines first used in 1992 | |||
| 2001 | Joseph R. Malone III · Melvin Cottrell (R) | Michael Broderick (D) | 8.9 |
| 1999 | Joseph R. Malone III · Melvin Cottrell (R) | Edward G. Werner (D) | 7.0 |
| 1997 | Joseph R. Malone III · Melvin Cottrell (R) | Arthur F. Conway (D) | 7.9 |
| 1995 | Joseph R. Malone III · Melvin Cottrell (R) | Lyle M. Sturmfels (D) | 11.7 |
| 1993 | Joseph R. Malone III · Melvin Cottrell (R) | Michael Broderick (D) | 10.4 |
| Lines first used in 1982 | |||
| 1991 | Bob Singer · Melvin Cottrell (R) | Ralph Adinolfe (D) | 16.8 |
| 1989 | Marion Crecco · John V. Kelly (R) | A. Joseph Fortunato (D) | 0.6 |
| 1987 | John V. Kelly · Marion Crecco (R) | Cynthia A. Debonis (D) | 15.6 |
| 1985 | John V. Kelly · Marion Crecco (R) | Stephen Adubato Jr. (D) | 2.5 |
| 1983 | A. Joseph Fortunato · Stephen Adubato Jr. (D) | John V. Kelly (R) | 1.3 |
| Lines first used in 1972 | |||
| 1981 | A. Joseph Fortunato · John V. Kelly (DEM) | Josephine M. Mongiello (R) | 0.8 |
| 1979 | Anthony Imperiale · Michael F. Adubato (REP) | John F. Cali (D) | 0.6 |
| 1977 | Michael F. Adubato · John F. Cali (D) | Daniel R. Russo (R) | 7.9 |
| 1975 | Michael F. Adubato · John F. Cali (D) | Daniel R. Russo (R) | 4.4 |
| 1973 | Michael F. Adubato · John F. Cali (D) | Joseph F. McGreevy (R) | 16.6 |
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 30
The state's districts in other chambers that share residents with this one, and the share of District 30's area in each.
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2024 | |
|---|---|
| President | R+46.5 |
| U.S. Senate | R+36.0 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 PM ET
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 30.
Lower than 54% of seats.
Higher than 90% of seats.
Lower than 79% of seats.
Lower than 97% of seats.
Lower than 97% of seats.
Less dense than 56% 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 1042% college gradsR+26.7Not up in 2026District 12
43% college gradsR+23.2Not up in 2026District 9
30% college gradsR+28.8Not up in 2026District 24
45% college gradsR+18.6Not 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