Demographics & People — Morris Plains, New Jersey
Population Overview
| Population (Census) | 6,214 |
| Estimated 2026 | ~6,600 |
| Median Age | 41.7 |
| Total Households | 2,524 |
| Family Households | 1,648 |
| Average Household Size | 2.46 |
| Diversity Index | 0.3192 (somewhat diverse) |
Race & Ethnicity
| White | 4,974 |
| Black or African American | 151 |
| Asian | 474 |
| Hispanic or Latino | 488 |
Heritage & Ancestry
| Group | Count |
| Italian | 1,557 |
| Irish | 1,544 |
| Other groups | 1,067 |
| Unclassified or not reported | 936 |
| German | 864 |
| Polish | 616 |
| English | 599 |
| Hispanic: Hispanic or Latino | 455 |
| Hispanic: South American | 293 |
| Hispanic: Colombian | 181 |
Language
| English Only | 4,997 |
| Spanish | 341 |
| Population 5+ | 5,890 |
Veterans
| Veterans | 277 |
| Population 18+ | 4,981 |
Commuting
| Mean Commute Time | 29.0 minutes |
| Work from Home | 30.2% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Morris Plains, New Jersey.