akashic
1876–2024
Congressional District 12·New Jersey

New Jersey 12th Congressional District has voted Democratic by double digits in every cycle this century.

One of New Jersey's most Democratic-leaning districts, anchored by Princeton and Trenton

18762024·38 elections
NJ
Latest
D+16
in 2024
Archetype
Urban anchor
since the recent cycles
Population
904,378
2024 ACS

New Jersey 12th Congressional District, New Jersey: Urban anchor district. In 2024, voted D+16%. Democratic peak: D+38 in 1964.

Key facts

2024 presidential margin
D+16MIT Election Lab
Political archetype
Urban anchorAkashic typology
Population
904,3782024 5-year
Median household income
$113,1902024 5-year
White (non-Hispanic)
43.8%2024 5-year
Black
12.6%2024 5-year
Hispanic / Latino
23.0%2024 5-year
Peak Democratic margin
D+38 in 1964MIT Election Lab
Peak Republican margin
R+37 in 1920MIT Election Lab
D
WATSON COLEMAN, BonnieCongress 119 · Democratic

Predecessors: HOLT, Rush (2013–2015), HOLT, Rush (2011–2013), HOLT, Rush (2009–2011), HOLT, Rush (2007–2009)

Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).

4 counties · 4 D · 0 R
R+60
D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
D
+15.7%
221,909160,081394,015
D
+26.9%
256,917147,226407,198
D
+24.2%
215,699128,799358,729
D
+26.3%
209,028120,759335,099
D
+22.9%
214,971133,995352,882
D
+13.1%
183,306140,441326,690
D
+20.0%
167,179109,508288,044
D
+21.1%
155,77396,183282,778
D
+6.0%
138,800120,116310,523
R
−9.4%
128,018155,061286,440
R
−17.9%
117,235168,906288,567
R
−8.1%
108,327129,779263,889
D
+1.9%
132,154127,224264,718
R
−20.7%
102,892158,016266,237
D
+3.2%
113,753105,818248,845
D
+38.3%
164,93973,296239,092
D
+13.9%
128,36096,981225,871
R
−19.1%
77,330114,124192,358
R
−3.2%
85,56891,370178,772
D
+6.4%
73,72264,524142,894
D
+10.7%
75,25660,534136,969
D
+14.7%
78,39458,250136,997
D
+23.2%
73,63145,709120,215
D
+3.6%
52,01648,297103,659
R
−15.0%
41,65656,44898,566
R
−34.6%
20,38745,75373,293
R
−37.3%
18,07840,63960,415
R
−12.1%
13,92117,84332,428
D
+14.3%
11,0237,13727,162
R
−20.4%
11,73418,00130,717
R
−22.0%
10,70717,02528,747
R
−20.1%
10,38715,83727,056
R
−29.7%
8,28415,72825,042
D
+3.7%
11,81510,94023,380
No data
No data
No data
No data

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
YearWonD %R %Total
2024D53.6%44.0%4,031,795
2020D57.2%40.9%4,440,440
2018D54.0%42.8%3,169,310
2014D55.8%42.3%1,869,535
2012D58.9%39.4%3,376,649
2008D56.0%42.0%3,482,445
2006D53.4%44.3%2,250,070
2002D53.9%43.9%2,112,604
2000D50.1%47.1%3,015,662
1996D52.7%42.6%2,883,466
1994D50.3%47.0%2,054,887
1990D50.4%47.4%1,938,454
1988D53.6%45.2%2,987,634
1984D64.2%34.9%3,096,456
1982D50.9%47.8%2,193,945
1978D55.3%43.1%1,957,515
1976D60.7%38.0%2,771,390

Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
Italian
10.4%
Irish
8.7%
German
6.4%
Polish
4.9%
English
3.6%
American
2.6%
French
0.8%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Language at home
Population aged 5 and older
57.4%
speak English only
Spanish18.1%
Other Indo-European13.8%
Asian & Pacific Islander8.5%
Other languages2.1%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
30.4%
Non-Christian
7.9%
Other Christian
4.5%
Baptist
2.4%
Mainline Protestant
2.3%
Methodist
1.3%
Pentecostal & Holiness
0.8%
Source · 2020 US Religion Census. Remaining 50.4% of residents not counted as adherents by any reporting body.

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.

The Democratic margin in New Jersey 12th Congressional District has been steady. It reached its modern peak at thirty-eight points in 1964; the 2024 margin was sixteen points, still in line with the district's long pattern.

Its political identity is inseparable from its demographic profile: a 44% non-Hispanic-white share, a median household income of $113,190, and the full diversity of a major metropolitan center.

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 →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Congressional District 12, New Jersey. Akashic. https://akashic.app/cd/3412/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Congressional District 12, New Jersey vote in 2024?
In 2024, Congressional District 12, New Jersey voted Democratic by 15.7 points (D+16), carried by the Democratic candidate. Out of 394,015 votes cast, 221,909 went Democratic and 160,081 went Republican.
What is Congressional District 12, New Jersey's political archetype?
Akashic classifies Congressional District 12, New Jersey as a "Urban anchor" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 20 times, Republican 14 times, and other 0 times.
When did Congressional District 12, New Jersey last vote Republican?
The most recent presidential election in which Congressional District 12, New Jersey voted Republican was 1988.
How many people live in Congressional District 12, New Jersey?
Congressional District 12, New Jersey has a population of 904,378 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 12, New Jersey?
Median household income in Congressional District 12, New Jersey is $113,190 — above the national median of $80,734. The New Jersey state median is $103,556.
What is the political history of Congressional District 12, New Jersey?
Akashic tracks 38 presidential elections in Congressional District 12, New Jersey from 1876 to 2024. Of those, 20 went Democratic and 14 went Republican. The district's archetype — "Urban anchor" — captures the overall trajectory of that voting record.