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NJ CD 12 Middlesex County Data


The are 13 municipalities in Middlesex County that are part of New Jersey Congressional District 12.

Cranbury, Dunellen, East Brunswick, Helmetta, Jamesburg, Middlesex, Milltown, Monroe, North Brunswick, Plainsboro, South Brunswick, South River, Spotswood,




Voter Registrations
AffiliationNov 2018ChangeNov 2019ChangeNov 2020ChangeNov 2021ChangeMar 2022ChangeApr 2022ChangeNov 2022ChangeJan 2023ChangeMay 2023
Dem206,56012,109218,66917,453236,1227,826243,948-309243,639-17,008226,6312,819229,450-64229,3861,134230,520
Rep75,1004,23079,3304,78884,1184,48588,6039588,698-1,50287,1962,13889,334-1389,32186990,190
Una199,1093,281202,3901,752204,142-529203,6132,154205,767-11,439194,3284,153198,481303198,7841,968200,752
Oth3,8732,4146,2876476,934757,009-316,978-3166,662-556,607-136,594-56,589
Total484,64222,034506,67624,640531,31611,857543,1731,909545,082-30,265514,8179,055523,872213524,0853,966528,051
Margin131,4607,879139,33912,665152,0043,341155,345404154,94115,506139,435681140,11651140,065265140,330
Note: Temporarily, this is data for the Congressional District, not the County

Note: Between March and April 2022 the State switched to count registered voters with the 2021 Redistricting district boundaries

Previous Elections Results
YearElectionRegistered VotersBallots CastTurnoutDem VotesDem Votes %Rep VotesRep Votes %Dem CandidateRep CandidateMarginMargin %
2022613,929226,73236.93 %118,93252.45 %81,56935.98 %

37,363

16.47%

2020601,003417,10369.40 %227,00854.42 %134,53332.25 %

92,475

22.17%

2018557,501283,23650.80 %162,09057.23 %87,29430.82 %

74,796

26.41%

2016562,984361,73364.25 %184,77151.08 %101,04127.93 %

83,730

23.15%

2014518,039157,01130.31 %79,26750.48 %52,43633.40 %

26,831

17.08%

2012510,304328,42064.36 %178,22854.27 %90,24427.48 %

87,984

26.79%

Source: State Elections Results Report



Eligible Voters and Voter Registrations General Elections 2022 / end of year 2022
MunicipalityCitizens 18+Reg DemReg RepReg UnaTot Reg VotersTot Reg Voters %
Source: County party affiliation statistics and ACS estimated population