Zip Code 07830 — Califon, NJ
07830 is a ZIP Code associated with Califon, NJ, located within Hunterdon. 07830 ranks #6 out of 20 ZIP codes in Hunterdon County by population (and #370 out of 598 in NJ). The area supports an estimated population of 7,379 residents across Data Pending housing units, with a population density of 109.5 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.720990, -74.800330)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 07830 |
| Primary City | Califon |
| State / Province | NJ |
| County | Hunterdon |
| Total Population | 7,379 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 109.5 people/sq mi |
| Timezone | America/New_York |
How 07830 Compares
| Metric | ZIP 07830 | Hunterdon County | NJ State Average |
|---|
| Population | 7,379 | 133,199 (Total) | 9,343,809 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 109.5 /sq mi | -- | -- |
| County Pop Rank | #6 of 20 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →