New Jersey 12th State Senate District, New Jersey: Bellwether district. In 2024, voted R+12%. Republican peak: R+12 in 2024.
Key facts
- 2024 presidential margin
- R+12MIT Election Lab
- Political archetype
- BellwetherAkashic typology
- Population
- 225,0802024 5-year
- Median household income
- $109,3222024 5-year
- White (non-Hispanic)
- 65.1%2024 5-year
- Black
- 7.0%2024 5-year
- Hispanic / Latino
- 15.9%2024 5-year
- Peak Democratic margin
- D+2 in 2012MIT Election Lab
- Peak Republican margin
- R+12 in 2024MIT Election Lab
Constituent county margins for State Senate District 12, NJOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
5 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 47,771 | 61,517 | 111,450 | ||
| R | 55,425 | 58,385 | 115,584 | ||
| R | 43,633 | 49,547 | 97,107 | ||
| D | 44,653 | 42,686 | 88,487 | ||
| D | 47,515 | 47,034 | 95,886 |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
Italian
16.9%
Irish
14.6%
German
9.2%
Polish
5.8%
English
5.0%
American
4.5%
Scottish
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.
Age distribution by sex
Median age: 41.3 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$109,322
State Senate District 12 ranks near the middle of US counties.
State Senate District 12$109,322
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
8.4%
Child poverty is below the national average.
Children under 1811.1%
Working age (18–64)7.3%
Seniors (65+)10.0%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
73.3%
speak English only
Spanish10.9%
Other Indo-European9.4%
Asian & Pacific Islander4.8%
Other languages1.6%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 50.9% 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 two points in modern history; the Republican margin has rarely exceeded twelve points. 2024 delivered the district to the Republican candidate by twelve points.
Its demographics resemble the country more than they resemble most districts. A 65% non-Hispanic-white share, a 8% poverty rate, and a median household income of $109,322 — all within the broad national range.
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
State Senate District 12, New Jersey — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.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 12.3 points (R+12), carried by the Republican candidate. Out of 111,450 votes cast, 47,771 went Democratic and 61,517 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 5 elections in the dataset, the district has voted Democratic 2 times, Republican 3 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 225,080 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 $109,322 — 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 5 presidential elections in State Senate District 12, New Jersey from 2008 to 2024. Of those, 2 went Democratic and 3 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.