US5.com
  1. Home
  2. States
  3. New Jersey
  4. ZIP 07830
Califon borough, NJ

ZIP Code 07830 — Califon borough, NJ Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Wealthy AreaLow Snow AreaRemote Work Hub

Map, Quick Facts & Location

Quick Facts

Local time
Population
7,451
Median Income
$181,023
+141% vs US avg
Home Value
$622,400
+79% vs US avg
Median Rent
$1,634
+40% vs US avg
Median Age
50.6 yrs
+30% vs US avg
Area Code
Congress
Top Ancestry
IrishItalianGerman
Scroll to load map
Location
Coordinates
40.7193, -74.7940
Elevation
105 ft
Land Area
24.0 sq mi
Water Area
0.1 sq mi (1% water)

At a glance

Population
7,451
Density
N/A
Median income
$181,023
+141% vs US avg
Home value
$622,400
+79% vs US avg
Median rent
$1,634
+40% vs US avg
Timezone

Overview of ZIP Code 07830

AffluentHigh-income residential area
7-day weather forecast

Loading live forecast…

Sunrise, sunset & moon

Loading outdoor timing for Califon borough, NJ (ZIP 07830)

What to know about ZIP 07830

ZIP code 07830 covers Califon, NJ in Hunterdon County with a population of about 7,451.

At a glance, the area shows median age of 50.6 versus a U.S. median of about 38.9.

It sits in telephone area code 908; U.S. House district NJ-7; the NEW YORK media market.

Local search focus: Affluent

Califon, NJ ranks among higher-income / higher-home-value communities on US5 (very high median household income (~$181,023)). Searchers often dig into housing affordability stretch, private schools, and neighborhood comparisons rather than entry-level rentals.

Income and economy in Califon, NJ

Median household income in ZIP 07830 is about $181,023 — about 141% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 1.9%; unemployment rate near 4.8%; 64.3% of adults with a bachelor’s degree or higher (about 30.6 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Education, Professional services, and Healthcare; about 21.9% of workers reporting work-from-home (about 6.7 points above the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 07830

Median home value is about $622,400 — about 79% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,634 (about 40% above the U.S. median rent ($1,163)), and owner-occupancy near 95.3% (about 29.9 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 07830 in Califon, NJ, a household would need roughly $171,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $3,998. That is roughly in line with the local median household income ($181,023). Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Califon borough, NJ as Relatively Low (composite score 78.7), which is elevated versus much of the country. The strongest component scores on US5 are flood (86.8) and hurricane (74.7). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Califon borough, NJ show little to no average snow and around 45.5 inches of annual precipitation.

IRS migration statistics show a net inflow of about 480 for ZIP 07830 (Califon borough, NJ) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport MMU (20.6 miles (33.1 km)) · Centenary University (9.1 miles (14.7 km)) · Morristown National Historical Park (13.9 miles (22.5 km)) · VA: Lyons Campus of the VA New Jersey Health Care System (13.1 miles (21.1 km))

Full lists and map pins are in the Infrastructure section below.