Religious adherence is published only at the county level (U.S. Religion Census). See Middlesex County.
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.
New Jersey 12th Congressional District
Akashic
2024 presidential electionNew Jersey 12th Congressional DistrictHarrisD+23.8
New Jersey 12th Congressional District premium atlas map: Harris D+23.8, 536 precincts, 12 city labels.
20082024
Harris +50Trump +50
536 precincts by 2024 margin · 12 cities, own margin · ◎ bluest & reddest city
Congressional elections · 25 House races · 17 Senate races
U.S. House
Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.
Akashic
Source · MIT Election Lab (MEDSL), House. CC-BY 4.0.
Year
District
Won
Democratic
Republican
Total
2024
12
D
61.2%196,871
36.4%117,222
321,660
2022
12
D
63.1%125,127
35.9%71,175
198,227
2020
12
D
65.6%230,883
32.6%114,591
351,725
2018
12
D
68.7%173,334
31.3%79,041
252,375
2016
12
D
62.9%181,430
32.0%92,407
288,634
2014
12
D
61.0%90,430
36.5%54,168
148,366
2012
12
D
69.2%189,926
29.5%80,906
274,378
2010
12
D
53.0%108,214
45.9%93,634
204,002
2008
12
D
63.1%193,732
35.3%108,400
306,934
2006
12
D
65.7%125,468
34.3%65,509
190,977
2004
12
D
59.2%171,691
39.7%115,014
289,785
2002
12
D
61.0%104,806
36.7%62,938
171,713
2000
12
D
48.7%146,162
48.5%145,511
299,942
1998
12
D
50.1%92,528
47.2%87,221
184,610
1996
12
R
46.7%125,594
50.4%135,811
269,221
1994
12
R
30.4%55,977
68.3%125,939
184,280
1992
12
R
30.4%83,035
63.9%174,216
272,757
1990
12
R
31.0%52,256
64.0%107,851
168,390
1988
12
R
29.9%71,596
69.3%165,918
239,537
1986
12
R
36.5%41,967
63.5%72,966
114,933
1984
12
R
34.3%78,167
65.0%148,042
227,833
1982
12
R
32.3%57,049
66.8%117,793
176,452
1980
12
R
20.9%36,577
77.1%134,973
175,026
1978
12
R
26.6%34,423
73.4%94,850
129,273
1976
12
R
26.3%49,189
73.1%136,973
187,282
U.S. Senate
Akashic
Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year
Won
Democratic
Republican
Total
2024
D
53.6%2,161,491
44.0%1,773,589
4,031,795
2020
D
57.2%2,541,178
40.9%1,817,052
4,440,440
2018
D
54.0%1,711,654
42.8%1,357,355
3,169,310
2014
D
55.8%1,043,866
42.3%791,297
1,869,535
2012
D
58.9%1,987,680
39.4%1,329,534
3,376,649
2008
D
56.0%1,951,218
42.0%1,461,025
3,482,445
2006
D
53.4%1,200,843
44.3%997,775
2,250,070
2002
D
53.9%1,138,193
43.9%928,439
2,112,604
2000
D
50.1%1,511,237
47.1%1,420,267
3,015,662
1996
D
52.7%1,519,154
42.6%1,227,351
2,883,466
1994
D
50.3%1,033,487
47.0%966,244
2,054,887
1990
D
50.4%977,810
47.4%918,874
1,938,454
1988
D
53.6%1,599,905
45.2%1,349,937
2,987,634
1984
D
64.2%1,986,644
34.9%1,080,100
3,096,456
1982
D
50.9%1,117,549
47.8%1,047,626
2,193,945
1978
D
55.3%1,082,960
43.1%844,200
1,957,515
1976
D
60.7%1,681,140
38.0%1,054,508
2,771,390
NJ-12 blends university towns, state-capital bureaucracy, and dense suburban corridors to produce some of the most consistent Democratic margins in the state, with Joe Biden and Kamala Harris each carrying it by roughly 25 points.
Across the recorded series it reached a Democratic high of 34.5 points in 2020. Between 2020 and 2024 the district moved 10.7 points toward the Republican candidate; the 2024 margin was 23.8 points.
A population of 774,587, a 42% non-Hispanic-white share, and a median household income of $113,235 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 6 and Congressional District 14.
Akashic
Political twins — districts
The congressional districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
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New Jersey 12th Congressional District. Akashic. https://akashic.app/cd/3412/. Accessed May 20, 2026. License: CC BY 4.0.
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How did New Jersey 12th Congressional District vote in 2024?
In 2024, New Jersey 12th Congressional District voted Democratic by 23.8 points (D+23.8), carried by the Democratic candidate. Out of 328,546 votes cast, 198,291 went Democratic and 120,060 went Republican.
How many people live in New Jersey 12th Congressional District?
New Jersey 12th Congressional District has a population of 774,587 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in New Jersey 12th Congressional District?
Median household income in New Jersey 12th Congressional District is $113,235 — above the national median of $80,734. The New Jersey state median is $103,556.
What is the political history of New Jersey 12th Congressional District?
Akashic tracks 5 presidential elections in New Jersey 12th Congressional District from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican.