Califon borough, New Jersey
Official LSAD Designation: Califon borough • Census GEOID: 3409280
• Hunterdon County
Califon borough is an incorporated borough in Hunterdon County, New Jersey. According to official records from the Census (2025), Califon borough had an estimated population of 1,034 residents. Official Census Bureau geographic records classify this community under LSAD designation Califon borough (GEOID 3409280).
Local Government Administration U.S. Census Bureau GMAF
Borough Of Califon
Municipal
Official Title:
Municipal Clerk Admin
Address:
PO BOX 368, CALIFON NJ 07830-0368
County Of Hunterdon
County
Official Title:
Director
Address:
71 MAIN ST, BLDG 1, FLEMINGTON NJ 08822-1451
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 1,034 | 2025 |
| Median Household Income | $128,194 | 2020-2024 |
| Median Home Value | $431,600 | 2020-2024 |
| Land Area | 0.96 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).