Flemington borough, New Jersey
Official LSAD Designation: Flemington borough • Census GEOID: 3423700
• Hunterdon County
Demographics & Population Profile
Population and demographics for Flemington borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 4,856 | — | 2025 | Census |
| Median Age | 34.2 yrs | ±2.4 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 2,119 | ±188 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).