Washington borough, New Jersey
Official LSAD Designation: Washington borough • Census GEOID: 3477270
• Warren County
Demographics & Population Profile
Population and demographics for Washington borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 7,326 | — | 2025 | Census |
| Median Age | 39.3 yrs | ±4.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 3,091 | ±317 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).