Trenton-Princeton, NJ
Latest: 2024
Safe Democratic — shifted 6.1pp toward Republicans in 2024 — 386K residents — 1 counties
Race & ancestry
| Group | % |
|---|---|
▶White (Non-Hispanic)(13) | 42.7% |
▶Hispanic / Latino(19) | 23.1% |
▶Black / African American(14) | 18.5% |
▶Asian(6) | 12.4% |
▶Middle Eastern / North African(9) | 1.1% |
▶Native American / Alaska Native(2) | 1.4% |
Multiracial / Other | 1.9% |
Religious adherence
| Tradition | % Pop | % Adherents |
|---|---|---|
| Catholic | 27.9% | 58.1% |
| Mainline Protestant | 6.6% | 13.8% |
| Evangelical Protestant | 5.5% | 11.4% |
| Other | 5.0% | 10.4% |
| Black Protestant | 2.3% | 4.8% |
| Orthodox Christian | 0.7% | 1.5% |
| LDS (Mormon) | 0.4% | 0.8% |
| Non-religious | 52.0% | — |
Presidential results
| Year | Result |
|---|---|
| 2024 | Harris+33.9 |
| 2020 | Biden+40.0 |
| 2016 | Clinton+37.1 |
| 2012 | Obama+36.7 |
| 2008 | Obama+36.0 |
| 2004 | Kerry+23.4 |
| 2000 | Gore+27.0 |
| 1996 | Clinton+28.2 |
| 1992 | Clinton+14.4 |
Trenton-Princeton, NJ is a metro area that has a population of 385,864. In the 2024 presidential election, it voted Democratic with a margin of D+33.9. Akashic Edge tracks 40 presidential elections here, dating back to 1868.
| Year | Dem % | Rep % | Margin | Swing |
|---|---|---|---|---|
| 2024 | 65.9% | 32.0% | D+33.9 | R+6.1 |
| 2020 | 69.1% | 29.1% | D+40.0 | D+2.9 |
| 2016 | 66.3% | 29.2% | D+37.1 | D+0.4 |
| 2012 | 67.2% | 30.5% | D+36.7 | D+0.7 |
| 2008 | 67.3% | 31.3% | D+36.0 | D+12.6 |
| 2004 | 61.3% | 37.9% | D+23.4 | R+3.6 |
| 2000 | 61.4% | 34.4% | D+27.0 | R+1.2 |
| 1996 | 58.9% | 30.8% | D+28.2 | D+13.8 |
| 1992 | 49.1% | 34.7% | D+14.4 | D+11.9 |
| 1988 | 50.8% | 48.3% | D+2.5 | D+5.9 |
| 1984 | 48.1% | 51.5% | R+3.5 | R+9.3 |
| 1980 | 47.4% | 41.6% | D+5.8 | R+2.7 |
| 1976 | 53.2% | 44.7% | D+8.5 | D+13.9 |
| 1972 | 46.7% | 52.0% | R+5.3 | R+19.6 |
| 1968 | 50.4% | 36.1% | D+14.2 | R+28.2 |
| 1964 | 71.2% | 28.7% | D+42.5 | D+20.0 |
| 1960 | 61.2% | 38.7% | D+22.5 | D+25.5 |
| 1956 | 48.3% | 51.4% | R+3.1 | R+9.8 |
| 1952 | 53.1% | 46.4% | D+6.7 | R+6.6 |
| 1948 | 55.6% | 42.3% | D+13.3 | — |
What defines Trenton-Princeton, NJ?
It has a diverse, highly educated electorate — the core of the modern Democratic coalition.
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Counties in Trenton-Princeton, NJ
2024 presidential results across the counties that make up this geography.
Sort:
| County | Pop. | Margin | Dem | Rep | Total | Share |
|---|---|---|---|---|---|---|
| Mercer | 386K | D+33.9 | 107,558 | 52,274 | 163,270 | 100.0% |
1 countiesTotal votes: 163,270
Ask the Historian
Explore Trenton-Princeton, NJ's political evolution with the Historian
Key Insights
High-confidence patterns distilled from this geography's election history.
- Has voted Democratic in the last 5 presidential elections
- Latest election (2024) was a Democratic landslide with a 33.9% margin
- College attainment is 45% — 12pp above the national average. Similar education levels correlate with Democratic lean nationally
Who Lives Here
A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.
Census race profile
Major Census race and ethnicity groups shown as a share of total population.
| Group | Local | National |
|---|---|---|
▶White (Non-Hispanic)(13) | 42.7% | 57.4% |
▶Hispanic / Latino(19) | 23.1% | 19.3% |
▶Black / African American(14) | 18.5% | 12.2% |
▶Asian(6) | 12.4% | 6.0% |
Multiracial / Other | 1.9% | 4.0% |
▶Native American / Alaska Native(2) | 1.4% | 0.9% |
▶Middle Eastern / North African(9) | 1.1% | 0.9% |
Method notes
Religious Adherents
Population that are religious adherents:
48.0%
Catholic-Evangelical edge: +42.2pp (vs national 4.5pp). A strongly Catholic-leaning religious profile, which nationally correlates with Democratic-leaning urban and suburban communities.
| Tradition | % Pop | % Adherents | US Pop | US Adherents |
|---|---|---|---|---|
| 27.9% | 58.1% | — | — | |
| 6.6% | 13.8% | — | — | |
| 5.5% | 11.4% | — | — | |
| 5.0% | 10.4% | — | — | |
| 2.3% | 4.8% | — | — | |
| 0.7% | 1.5% | — | — | |
LDS (Mormon) | 0.4% | 0.8% | — | — |
Non-religiousPopulation | 52.0% | — | — | — |
Who lives in the Trenton-Princeton, NJ metro area? 385,864 residents across 1 counties.
Demographics
Read this geography's profile in three layers: local, state (where available), and national baseline.
45% of adults hold a bachelor's degree — 12pp above the national average. Places with similar education levels vote D+16 on average nationally.
Population & electorate
Scale, voting-age share, and this geography's footprint inside the national electorate.
Total population
386K
Share of U.S. population
0.12%
Voting-age population
73.6%
Economic profile
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Median household income
$100,645
Poverty rate
10.3%
College degree
45.4%
Homeownership
62.1%
Community profile
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
Median age
39.5 yrs
Age 18–29
16.4%
Age 65+
16.0%
Foreign born
27.0%
Non-English at home
35.7%
English only
64.3%
Turnout in Trenton-Princeton, NJ
Estimated using 2020 Census voting-age population.
57.5%
-4.9pp
283,900
1988–2024
How competitive is Trenton-Princeton, NJ?
Safe DAvg margin: D+37.0 (last 3 elections)
2008
D+36.0
2012
D+36.7
2016
D+37.1
2020
D+40.0
2024
D+33.9
6.1pp
0
D+36.7
Do voters in Trenton-Princeton, NJ split their tickets?
Divergence between offices in the same election reveals persuadable voters.
Heavy splitting (41/100)
| Offices | Margin A | Margin B | Split |
|---|---|---|---|
| President vs Senate | D+33.9 | D+37.5 | 3.7pp |
Average divergence across office pairs: 11.4pp
Located In
Trenton-Princeton, NJ sits inside these higher-level geographies.
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