Rocky Hill borough, New Jersey
Official LSAD Designation: Rocky Hill borough • Census GEOID: 3464320
• Somerset County
Demographics & Population Profile
Population and demographics for Rocky Hill borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 751 | — | 2025 | Census |
| Median Age | 44.5 yrs | ±6.8 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 318 | ±67 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).