Washington borough, New Jersey
Official LSAD Designation: Washington borough • Census GEOID: 3477270
• Warren County
Washington borough is an incorporated borough in Warren County, New Jersey. According to official records from the Census (2025), Washington borough had an estimated population of 7,326 residents. Official Census Bureau geographic records classify this community under LSAD designation Washington borough (GEOID 3477270).
Local Government Administration U.S. Census Bureau GMAF
Borough Of Washington
Municipal
Official Title:
Mayor
Address:
100 BELVIDERE AVE, WASHINGTON NJ 07882-1426
County Of Warren
County
Official Title:
Director
Address:
165 COUNTY ROAD 519, 1, BELVIDERE NJ 07823-1949
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 7,326 | 2025 |
| Median Household Income | $81,336 | 2020-2024 |
| Median Home Value | $263,300 | 2020-2024 |
| Land Area | 1.97 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).