State-capital core where college towns meet post-industrial wards
Mercer County's electorate pairs the dense, Democratic-leaning precincts of Trenton's majority-minority neighborhoods with the high-education swing vote concentrated around Princeton, producing consistent but margin-sensitive results in statewide races.
| Group | Local | National |
|---|---|---|
▶White (Non-Hispanic)(13) | 54.0% | 57.4% |
▶Black / African American(14) | 19.6% | 12.2% |
▶Hispanic / Latino(19) | 15.7% | 19.3% |
▶Asian(6) | 9.0% | 6.0% |
Multiracial / Other | 1.2% | 4.0% |
▶Middle Eastern / North African(9) | 1.1% | 0.9% |
▶Native American / Alaska Native(2) | 0.5% | 0.9% |
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? 1,471,504 residents across 4 counties.
40% of adults hold a bachelor's degree — 7pp above the national average. Places with similar education levels vote D+8 on average nationally.
Scale, voting-age share, and this geography's footprint inside the national electorate.
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
| Offices | Margin A | Margin B | Split |
|---|---|---|---|
| President vs Senate | D+33.9 | D+37.5 | 3.7pp |