2021 New Jersey Senate election
The 2021 New Jersey State Senate election was held on November 2, 2021. New Jersey voters elected state senators in all of the state's legislative districts for a two-year term to the New Jersey Senate. Republicans flipped the 3rd and 8th districts, and Democrats flipped the 16th. This was the first election since 1991 where Republicans posted a net gain of state Senate seats. Democrats would later be restored to [|25] seats following the party switch of Samuel D. Thompson in 2023.
| Contents [|Incumbents not running] • [|Summary of results] By district: [|1] • [|2] • [|3] • [|4] • [|5] • [|6] • [|7] • [|8] • [|9] • [|10] • [|11] • [|12] • [|13] • [|14] • [|15] • [|16] • [|17] • [|18] • [|19] • [|20] • [|21] • [|22] • [|23] • [|24] • 25 • [|26] • [|27] • [|28] • [|29] • [|30] • [|31] • [|32] • [|33] • [|34] • [|35] • [|36] • [|37] • [|38] • [|39] • [|40] |
Incumbents not running for re-election
Democratic
Republican
In addition, five members who were elected in the last election in 2017 have since left office: Robert M. Gordon, Jeff Van Drew, Anthony R. Bucco, Gerald Cardinale, and Chris A. Brown,.Results
Close races
Seats where the margin of victory was under 10%:- gain
- gain
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- '
- '
- gain
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District 1
General election
Polling| Poll source | Date administered | Sample size | Margin of error | Mike Testa | Yolanda Garcia Balicki | Undecided |
| Stockton University | September 28 – October 10, 2021 | 407 | ± 4.8% | 49% | 36% | 9% |
Predictions
| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 2
Republican primary
Polling| Poll source | Date administered | Sample size | Margin of error | Seth Grossman | Vince Polistina |
| Neighborhood Research | ? | ? | ± 5.9% | 22% | 17% |
General election
Polling| Poll source | Date administered | Sample size | Margin of error | Vince Polistina | Vince Mazzeo | Undecided |
| Stockton University | October 9–24, 2021 | 401 | ± 4.9% | 41% | 48% | 6% |
Predictions
| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Debate
Results
District 3
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 4
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 5
Republican primary
No Republicans filed. However, Clyde Cook received enough write-in votes to qualify for the general election.General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 6
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 7
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 8
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Debate
Results
District 9
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 10
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 11
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 12
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 13
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 14
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 15
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 16
General election
Polling| Poll source | Date administered | Sample size | Margin of error | Michael Pappas | Andrew Zwicker |
| 3D Strategic Research | ? | 300 | ± 5.7% | 44% | 44% |
Predictions
| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Debate
Results
District 17
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 18
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 19
Republican primary
Following the primary, Onuoha was replaced on the ballot for the general election by Pedro "Peter" Pisar on August 23.General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 20
Democratic primary
Candidates
- Joseph Cryan, incumbent state senator since 2018
- Jamel Holley, state assemblyman from Roselle since 2015
- Jason Krychiw, suspended campaign on April 23, 2021
Republican primary
No Republicans filed.General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 21
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 22
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 23
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 24
Republican primary
Candidates
- Daniel Cruz, member of the Andover Township Board of Education
- Steve Oroho, incumbent senator since 2008
Democratic primary
No Democrats filed. However, Frederick P. Cook received enough write-in votes to qualify for the general election.General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 25
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 26
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 27
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 28
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 29
Republican primary
No Republicans filed.General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 30
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 31
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 32
Democratic primary
Candidates
- Nicholas Sacco, incumbent senator since 1994 and Mayor of North Bergen
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 33
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 34
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 35
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 36
Republican primary
Republicans Chris Auriemma filed to run, withdrew, and then received enough write-in votes to qualify for the general election.General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 37
Democratic primary
'''Debate'''General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 38
Democratic primary
Candidates
- Joseph Lagana, incumbent senator since 2018
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 39
Republican primary
Candidates
- Holly Schepisi, incumbent senator since 2021
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results
District 40
General election
Predictions| Source | Ranking | As of |
| New Jersey Globe | October 28, 2021 | |
| Elections Daily | November 1, 2021 |
Results