New Jersey State Senate seat · lines in effect since 2023
New Jersey Legislative District 27
A district of about 238,000 people, 23% Hispanic, 56% of adults with a bachelor's degree. It votes D+34.5 relative to the nation for president.
2023 election
Nov 7, 2023- John McKeon (D) · won71.1%
- Michael D. Byrne (R)28.9%
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. 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 | John McKeon (D) | Michael D. Byrne (R) | 42.3 |
| Lines first used in 2012 | |||
| 2021 | Richard J. Codey (D) | Adam Kraemer (R) | 29.7 |
| 2017 | Richard J. Codey (D) | Pasquale Capozzoli (R) | 39.4 |
| 2013 | Richard J. Codey (D) | Lee S. Holtzman (R) | 18.5 |
| Lines first used in 2002 | |||
| 2011 | Richard J. Codey (D) | William H. Eames (R) | 23.6 |
| 2007 | Richard J. Codey (D) | Joseph A. Fischer (R) | 57.5 |
| 2003 | Richard J. Codey (D) | Bobbi Joan Bennett (R) | 31.6 |
| Lines first used in 1992 | |||
| 2001 | Richard J. Codey (D) | Jared Silverman (R) | 31.9 |
| 1997 | Richard J. Codey (D) | Richard R. Klattenberg (R) | 58.9 |
| 1993 | Richard J. Codey (D) | Zal Velez (R) | 50.2 |
| Lines first used in 1982 | |||
| 1991 | Richard J. Codey (D) | Eugene J. Byrne (R) | 36.2 |
| 1987 | Richard J. Codey (D) | Felix Graziano (R) | 52.8 |
| 1983 | Richard J. Codey (D) | James J. Brown (R) | 50.5 |
| Lines first used in 1972 | |||
| 1981 | Richard J. Codey (D) | Richard E. Koehler (R) | 47.8 |
| 1977 | Carmen A. Orechio (D) | John N. Dennis (R) | 1.8 |
| 1973 | Carmen A. Orechio (D) | Michael A. Giuliano (R) | 6.2 |
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 27
The state's districts in other chambers that share residents with this one, and the share of District 27's area in each.
- New Jersey General Assembly
- LD-27 100%
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 27.
Higher than 85% of seats.
Lower than 72% of seats.
Higher than 62% of seats.
Higher than 51% of seats.
Higher than 74% of seats.
Denser than 67% 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 1729% Hispanic · 45% college gradsD+36.7Not up in 2026District 37
27% Hispanic · 53% college gradsD+27.8Not up in 2026District 6
46% college gradsD+29.3Not up in 2026District 15
24% Hispanic · 23% BlackD+43.9Not 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