Andover borough, New Jersey
Official LSAD Designation: Andover borough • Census GEOID: 3401330
• Sussex County
Andover borough is an incorporated borough in Sussex County, New Jersey. According to official records from the Census (2025), Andover borough had an estimated population of 614 residents. Official Census Bureau geographic records classify this community under LSAD designation Andover borough (GEOID 3401330).
Local Government Administration U.S. Census Bureau GMAF
Borough Of Andover
Municipal
Official Title:
Mayor
Address:
137 MAIN ST, ANDOVER NJ 07821-4525
County Of Sussex
County
Official Title:
County Administrator
Address:
1 SPRING ST, NEWTON NJ 07860-2091
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 614 | 2025 |
| Median Household Income | $92,750 | 2020-2024 |
| Median Home Value | $400,000 | 2020-2024 |
| Land Area | 1.35 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).