Morris Plains borough, New Jersey
Official LSAD Designation: Morris Plains borough • Census GEOID: 3448210
• Morris County
Demographics & Population Profile
Population and demographics for Morris Plains borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 6,586 | — | 2025 | Census |
| Median Age | 41.7 yrs | ±4 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 2,566 | ±115 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).