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NJ CD 12 Mercer County Data


The are 7 municipalities in Mercer County that are part of New Jersey Congressional District 12.

Ewing, Hopewell borough, Hopewell township, Pennington, Princeton township, Trenton, West Windsor,




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 %
2022236,15899,85242.28 %66,28666.38 %30,14430.19 %

36,142

36.19%

2020238,132171,89372.18 %111,82165.05 %56,82933.06 %

54,992

31.99%

2018223,468125,88556.33 %86,11868.41 %39,20631.14 %

46,912

37.27%

2016215,600150,52769.82 %89,13959.22 %52,15334.65 %

36,986

24.57%

2014231,81386,56037.34 %46,11653.28 %31,36936.24 %

14,747

17.04%

2012206,281143,33069.48 %92,84364.78 %49,73834.70 %

43,105

30.08%

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