Califon, New Jersey
Borough in Hunterdon County, New Jersey
| Census | Population |
|---|---|
| 2000 | 1,055 |
| 2010 | 1,076 |
| 2020 | 1,005 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, place level, state 34, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 34, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 34, retrieved November 14, 2026.
| Measure | Califon | Hunterdon County | New Jersey |
|---|---|---|---|
| Population | 1,065 | 129,448 | 9,267,014 |
| Median household income | $130,938 | $139,453 | $101,050 |
| Median age | 40.9 | 46.2 | 40.1 |
| Median home value | $416,900 | $498,800 | $427,600 |
| Bachelor’s degree or higher | 58.9% | 56.5% | 42.9% |
| Foreign-born residents | 9.4% | 11.2% | 23.5% |
| Owner-occupied homes | 87.1% | 84.8% | 63.7% |
| Mean commute to work | 34.3 minutes | 33.6 minutes | 30.9 minutes |
Source: American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.
Median household income $130,938 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 34, retrieved November 14, 2026.
- Owner occupied
- 386 units
- Renter occupied
- 57 units
- Vacancy rate
- 0%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.
| School | Type | Grades | District |
|---|---|---|---|
| Califon Public School | Public | Pre-K–8 | Califon Borough School District |
Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.
Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.
Community
No upcoming events in Califon yet.
Nearby towns
- Lebanon TownshipTownship
- Tewksbury TownshipTownship
- High BridgeBorough
- Washington TownshipTownship
- Long ValleyCensus designated place
- LebanonBorough
- AndersonCensus designated place
- Glen GardnerBorough
- AnnandaleCensus designated place
- PottersvilleCensus designated place
Other towns in Hunterdon County
- Alexandria TownshipTownship
- AnnandaleCensus designated place
- Bethlehem TownshipTownship
- BloomsburyBorough
- Clinton TownshipTownship
- ClintonTown
- Delaware TownshipTownship
- East Amwell TownshipTownship
- FlemingtonBorough
- Franklin TownshipTownship
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- Type
- Borough
- County
- Hunterdon County
- Land area
- 0.96 sq mi
- Water area
- 0.02 sq mi
- Population
- 1,018 (2024 estimate)
- Households
- 443
- Median age
- 40.9
- Median household income
- $130,938
- Median home value
- $416,900
- Median gross rent
- $1,438
- Owner-occupied homes
- 87.1%
- Bachelor’s degree or higher
- 58.9%
- Foreign-born residents
- 9.4%
- Mean commute to work
- 34.3 minutes
- Census GEOID
- 3409280
Sources: Census Gazetteer 2025: places, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 34, retrieved November 14, 2026; American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.
- ZIP codes
- 07830
- Metro area
- New York-Newark-Jersey City, NY-NJ
Sources: Census 2020 ZCTA relationship file: ZCTAs to places, retrieved November 14, 2026; Census Gazetteer 2025: metropolitan and micropolitan areas, retrieved November 14, 2026.