Demographics & People — Monmouth Junction, New Jersey
Population Overview
| Population (Census) | 9,457 |
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| Estimated 2026 | ~8,400 |
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| Median Age | 39.9 |
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| Total Households | 3,567 |
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| Family Households | 2,690 |
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| Average Household Size | 2.65 |
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| Diversity Index | 0.5876 (moderately diverse) |
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Race & Ethnicity
| White | 2,671 |
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| Black or African American | 753 |
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| Asian | 5,224 |
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| Hispanic or Latino | 613 |
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Heritage & Ancestry
| Group | Count |
|---|
| Other groups | 5,756 |
| Unclassified or not reported | 1,716 |
| Hispanic: Hispanic or Latino | 845 |
| Italian | 608 |
| Irish | 574 |
| American | 391 |
| West Indian (except Hispanic groups) | 312 |
| Polish | 299 |
| Hispanic: Puerto Rican | 291 |
| Hispanic: Dominican (Dominican Republic) | 276 |
Language
| English Only | 3,969 |
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| Spanish | 375 |
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| Population 5+ | 9,010 |
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Veterans
| Veterans | 185 |
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| Population 18+ | 7,433 |
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Commuting
| Mean Commute Time | 35.0 minutes |
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| Work from Home | 27.0% |
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| Commuter Profile | N/A |
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Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Monmouth Junction, New Jersey.
