akashic
1876–2024
State Senate District 12·New Jersey

New Jersey 12th State Senate District delivered R+14 in 2024.

One of New Jersey's most Republican-leaning legislative districts

1876 — 2024·38 elections
NJ
Latest
R+14
in 2024
Archetype
Bellwether
since the recent cycles
Population
407,436
2024 ACS

New Jersey 12th State Senate District, New Jersey: Bellwether district. In 2024, voted R+14%. Republican peak: R+40 in 1920.

Key facts

2024 presidential margin
R+14MIT Election Lab
Political archetype
BellwetherAkashic typology
Population
407,4362024 5-year
Median household income
$110,2422024 5-year
White (non-Hispanic)
67.3%2024 5-year
Black
6.6%2024 5-year
Hispanic / Latino
15.2%2024 5-year
Peak Democratic margin
D+28 in 1964MIT Election Lab
Peak Republican margin
R+40 in 1920MIT Election Lab
2024 results by constituent county
4 counties · 2 D · 2 R
R+60
D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−13.6%
86,778114,853206,224
R
−4.2%
100,551109,382211,451
R
−8.1%
78,47492,942178,694
D
+0.1%
80,22080,116162,449
R
−1.2%
85,93488,064176,007
R
−7.2%
76,24788,168165,881
D
+7.7%
74,32563,248143,489
D
+11.7%
68,50652,405137,360
R
−3.3%
57,93862,875147,855
R
−21.7%
51,64280,657133,523
R
−30.8%
44,34184,207129,466
R
−21.8%
40,41365,848116,758
R
−7.2%
50,22758,197110,462
R
−32.7%
33,45566,788101,838
R
−7.2%
36,90143,29188,880
D
+27.9%
51,81329,15581,355
R
−3.4%
35,47437,98273,643
R
−35.9%
18,84240,12959,225
R
−22.8%
20,65532,97354,034
R
−14.2%
17,37323,32441,863
R
−6.5%
18,55721,14539,940
R
−1.7%
20,11220,82640,986
D
+8.1%
20,24117,17937,655
R
−0.8%
16,58516,85534,089
R
−25.5%
11,72519,76631,577
R
−37.2%
6,53215,22223,334
R
−40.2%
5,32612,70818,362
R
−7.7%
4,5165,2799,914
D
+25.2%
3,9871,8008,676
R
−17.3%
3,7925,4179,410
R
−15.0%
3,5984,9148,782
R
−13.5%
3,4644,5878,307
R
−20.8%
3,0294,7028,056
D
+5.1%
3,7293,3567,324
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Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
Italian
17.8%
Irish
15.3%
German
9.5%
Polish
5.8%
English
5.2%
American
4.6%
Scottish
0.9%
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.
Age distribution by sex
Median age: 41.5 in this county, 39.1 nationally
Male
Age
Female
0.8%
85+
1.6%
2.6%
75–84
3.2%
5.2%
65–74
5.9%
6.9%
55–64
7.2%
6.2%
45–54
6.2%
6.1%
35–44
6.0%
5.9%
25–34
5.8%
4.2%
18–24
4.0%
8.4%
5–17
8.1%
2.9%
<5
2.9%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$110,242
State Senate District 12 ranks near the middle of US counties.
State Senate District 12$110,242
New Jersey$103,556
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
8.3%
Child poverty is below the national average.
Children under 1810.9%
Working age (18–64)7.2%
Seniors (65+)9.8%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
75.0%
speak English only
Spanish10.2%
Other Indo-European8.8%
Asian & Pacific Islander4.3%
Other languages1.5%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
33.8%
Non-Christian
7.4%
Other Christian
3.2%
Mainline Protestant
1.8%
Methodist
1.7%
Baptist
1.1%
Pentecostal & Holiness
0.7%
Source · 2020 US Religion Census. Remaining 50.2% of residents not counted as adherents by any reporting body.

Anchored in the rural and suburban communities of northwestern New Jersey, this district delivered a 25-point-plus margin in 2024, making it a reliable outlier in a state that typically trends Democratic in statewide contests.

The Democratic margin in New Jersey 12th State Senate District has rarely exceeded twenty-eight points in modern history; the Republican margin has rarely exceeded forty points. 2024 delivered the district to the Republican candidate by fourteen points.

Its demographics resemble the country more than they resemble most districts. A 67% non-Hispanic-white share, a 8% poverty rate, and a median household income of $110,242 — all within the broad national range.

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.
State Senate District 12, New Jersey. Akashic. https://akashic.app/sld-upper/34012/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did State Senate District 12, New Jersey vote in 2024?
In 2024, State Senate District 12, New Jersey voted Republican by 13.6 points (R+14), carried by the Republican candidate. Out of 206,224 votes cast, 86,778 went Democratic and 114,853 went Republican.
What is State Senate District 12, New Jersey's political archetype?
Akashic classifies State Senate District 12, New Jersey as a "Bellwether" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 7 times, Republican 27 times, and other 0 times.
When did State Senate District 12, New Jersey last vote Democratic?
The most recent presidential election in which State Senate District 12, New Jersey voted Democratic was 2012.
How many people live in State Senate District 12, New Jersey?
State Senate District 12, New Jersey has a population of 407,436 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State Senate District 12, New Jersey?
Median household income in State Senate District 12, New Jersey is $110,242 — above the national median of $80,734. The New Jersey state median is $103,556.
What is the political history of State Senate District 12, New Jersey?
Akashic tracks 38 presidential elections in State Senate District 12, New Jersey from 1876 to 2024. Of those, 7 went Democratic and 27 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.