Califon ZIP Codes — Hunterdon County, NJ

There is one unique ZIP code in Califon, New Jersey and it is 07830. Area code: 908.
1
ZIP codes
26.02
sq mi land
0.18
sq mi water
908
area code
Califon, NJ ZIP code map

About Califon, NJ

Califon, New Jersey, is a small and charming borough nestled within Hunterdon County. Known for its picturesque landscapes and a close-knit community, Califon offers a unique blend of rural charm and suburban comfort. The borough's quiet streets and welcoming atmosphere make it an appealing location for families and retirees alike.

Location & geography

Califon is situated in the western part of New Jersey, approximately 10 miles northwest of the more populous city of Flemington. The borough is surrounded by beautiful natural terrain, including rolling hills and dense forests, and boasts a total land area of 26.02 square miles along with a water area of 0.18 square miles. Nearby towns include High Bridge, approximately 5 miles to the south, and Lebanon, about 4 miles to the north.

Community & economy

The character of Califon is defined by its small-town charm and strong sense of community, where residents often come together for local events and celebrations. The local economy includes small businesses, agricultural endeavors, and some light manufacturing. Daily life in Califon is peaceful, with residents enjoying recreational activities such as hiking and fishing in the nearby Spruce Run Recreation Area.

Transportation

Califon is accessible via Route 513, which runs through the borough and connects to Route 22 for broader regional access. The nearest major airports are in nearby cities, including Lehigh Valley International Airport approximately 30 miles away and Newark Liberty International Airport around 50 miles to the east. Public transit options are limited, but local commuter services connect residents to surrounding areas.

History

Califon was originally settled in the late 19th century and incorporated as a borough in 1896. The area historically thrived on agriculture and small-scale industries, supporting the local community. Notably, Califon is home to the beautifully preserved Califon Mill, which stands as a testament to the town's rich industrial past.

Did you know?

A surprising fact about Califon is that it is home to the historic Califon Bridge, which dates back to the 19th century and offers picturesque views of the river below. Additionally, the borough holds an annual Califon Fair, which draws visitors from surrounding areas and highlights local crafts and products.

ZIP codes for Califon, NJ (1)
ZIP code City County Map
07830 Califon Hunterdon View map

Demographics & statistics

7,748
Population
50.8
Median age
$168,900
Median household income
$72,262
Per capita income
$609,800
Median home value
$1,614
Median monthly rent
94.4%
Home ownership
1.3%
Poverty rate
3.6%
Unemployment
2,724
Housing units
63.2%
Bachelor's or higher

Age distribution

Male Female
178
Under 5
202
208
5–9
236
212
10–14
241
186
15–19
210
129
20–24
147
179
25–34
202
449
35–44
508
582
45–54
659
552
55–59
626
250
60–64
284
364
65–74
413
205
75–84
233
137
85+
156
← Male
Female →

Age summary

GroupCount%
Under 181,53519.8%
18 and over6,21380.2%
65 and over1,50819.5%
Median age50.8 years

Race & ethnicity

White 89.8%
Black or African American 3.7%
Asian 2.6%
Hispanic or Latino 1.6%
Two or more races 1.2%
Other race 0.8%
Native Hawaiian / Pacific Islander 0.3%
GroupCount%
White7,06989.8%
Black or African American2953.7%
Asian2062.6%
Hispanic or Latino1231.6%
Two or more races951.2%
Other race600.8%
Native Hawaiian / Pacific Islander210.3%

Household income

Under $10k 0.6%
$10k–$15k 0.6%
$15k–$25k 3.0%
$25k–$35k 1.7%
$35k–$50k 2.5%
$50k–$75k 15.8%
$75k–$100k 5.0%
$100k–$150k 13.9%
$150k–$200k 25.1%
$200k+ 31.9%
Range% of households
Under $10k0.6%
$10k–$15k0.6%
$15k–$25k3.0%
$25k–$35k1.7%
$35k–$50k2.5%
$50k–$75k15.8%
$75k–$100k5.0%
$100k–$150k13.9%
$150k–$200k25.1%
$200k+31.9%
Median income$168,900

Housing

Home values

Under $50k 1.1%
$50k–$100k 0.1%
$150k–$200k 0.1%
$200k–$300k 9.7%
$300k–$500k 24.2%
$500k–$1M 52.5%
$1M+ 12.2%

Housing overview

MetricValue
Median home value$609,800
Median rent / month$1,614
Owner occupied94.4%
Renter occupied5.6%
Vacant0.7%
Single-family detached97.7%
Large apartment buildings0.0%
Mobile homes0.0%
Median rooms8.0
Avg household size (owned)2.78

Year built

Era%
2020 or later0.0%
2010–20190.3%
2000–200913.2%
1990–19997.5%
1980–198914.8%
1970–197919.4%
1960–196923.0%
1950–19594.9%
1940–19492.8%
1939 or earlier14.1%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom3.2%
2 bedrooms10.0%
3 bedrooms34.2%
4 bedrooms42.9%
5+ bedrooms9.7%

Vehicles per household

Vehicles% of households
No vehicle1.1%
1 vehicle20.2%
2 vehicles44.7%
3 or more33.9%

Heating fuel

Fuel type%
Utility gas31.8%
Electricity10.2%
Propane / LP gas4.1%
Fuel oil43.9%
Wood5.0%

Households & families

Household typeCount%
Married-couple family2,10473.5%
Cohabiting couple1013.5%
Male householder, no spouse1796.3%
Female householder, no spouse47916.7%
Households with children under 1869924.4%
Households with seniors (65+)1,02535.8%
Average household size2.70

Marital status

StatusMaleFemale
Never married19.9%18.8%
Married76.1%65.6%
Separated0.0%0.7%
Widowed1.5%9.3%
Divorced2.5%5.6%

Education

Less than 9th grade 1.2%
Some HS, no diploma 1.0%
HS graduate 15.0%
Some college, no degree 14.7%
Associate's degree 4.9%
Bachelor's degree 29.7%
Graduate / professional 33.4%
Metric%
HS diploma or higher97.8%
Bachelor's or higher63.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1076.5%
Kindergarten1328.0%
Elementary school74145.0%
High school30218.3%
College / grad school36622.2%

Employment

Industry of employment

Education & healthcare 27.7%
Professional & management 21.9%
Retail trade 8.9%
Manufacturing 7.4%
Construction 6.5%
Arts, food & hospitality 6.2%
Public administration 5.2%
Finance & real estate 5.1%
Transportation & utilities 4.1%
Other services 2.6%
Agriculture & mining 1.9%
Wholesale trade 1.7%
Information 0.7%

Occupation

Category%
Management, business & arts60.5%
Service13.3%
Sales & office14.8%
Natural resources & construction5.8%
Production & transportation5.6%

Employment type

Type%
Private sector75.9%
Government17.3%
Self-employed6.7%
Unpaid family workers0.0%

Commute

Method%
Drive alone68.4%
Carpool4.6%
Public transit2.7%
Walk3.4%
Other means0.5%
Avg commute (minutes)36.4

Poverty

All people 1.3%
Under 18 years 1.0%
18 and over 1.4%
Married-couple families 0.3%
Female-led households 0.4%

Income support

Source% of households
Social Security33.8%
Retirement income32.4%
Supplemental Security1.6%
Cash public assistance3.0%
Food stamps / SNAP0.6%

Health indicators

Condition%
High blood pressure0.0%
High cholesterol0.0%
Heart disease5.1%
Stroke2.1%
Asthma8.8%
Arthritis19.7%
Kidney disease2.2%
Pulmonary disease4.6%
Cancer7.0%
Behavior / access%
Binge drinking18.0%
No physical activity13.8%
Less than 7 hrs sleep28.1%
Fair or poor health8.0%
Poor mental health11.9%
Poor physical health7.1%
No health insurance7.9%
Visited doctor (checkup)74.8%
Visited dentist76.6%
Cholesterol screening0.0%
Teeth loss6.3%

Veterans & disability

VeteransCount%
Civilian veterans4677.5%
Disability%
Any disability6.2%
Under 180.0%
18–64 years5.8%
65 and over13.7%

Health insurance coverage

Type%
Private insurance87.5%
Public insurance25.4%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only7,36895.1%
Spanish1431.9%
Other Indo-European270.4%
Asian & Pacific Islander1141.5%
Other languages20.0%

Place of birth & citizenship

OriginCount%
Native born (US)7,20693.0%
Born in same state7,17192.6%
Born in different state5,51171.1%
Foreign born350.5%
Naturalized citizen5427.0%
Not a US citizen37869.7%

Ancestry

AncestryCount%
Italian1,79323.1%
French1,10514.3%
Arab4275.5%
Polish2863.7%
Irish1762.3%
AncestryCount%
English961.2%
Dutch490.6%
German350.5%
Norwegian260.3%

Technology access

Metric% of households
Computer access37.0%
Internet access97.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does Califon, NJ have?
Califon, NJ has one ZIP code: 07830. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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