Califon, NJ · standard
ZIP Code 07830
Hunterdon County, New Jersey - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 6,503
- 105/sq mi Moderate-density area
- $180,852
- Median income Above-median income area
- $656,400
- Median home value Above-median home value
- 66.4%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Califon pairs a top-decile household income with top-decile home values, in a rural, homeowner-dominated area.
- Top 2%
- household income, US ZIPs
- Top 7%
- home value, US ZIPs
- 105
- people per sq mi
- 91%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 07830 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 07830 (Califon, NJ) fell -1.6% from 2023 to 2024. The all-transactions index moved from 186.8 in 2023 to 183.7 in 2024 (2000 = 100).
ZIP code 07830 is a mid-sized community (a standard USPS delivery area) in Califon, Hunterdon County, New Jersey, home to 6,503 residents across 62.1 square miles, a density of 105 people per square mile, in the New York time zone.
ZIP 07830 skews affluent, with a median household income of $180,852 (48% above the average New Jersey ZIP), while per-capita income is $79,062. The poverty rate is 3.1%, with unemployment at 5.2%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $656,400 (27% above the average New Jersey ZIP), while 91.3% of occupied homes are owner-occupied and median rent is $1,979.
This is a highly-educated ZIP: 66.4% of adults hold a bachelor's degree or higher, the median age is 50.5, and the average commute is 33 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Hunterdon County, so 07830 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 07830
Top 5 sectors by establishment count in Califon, NJ
Which industries have the most business establishments in ZIP 07830.
- Construction
Construction
32 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
28 establishments
- Retail trade
Retail trade
22 establishments
- Other services (except public administration)
Other services (except public administration)
18 establishments
- Health care and social assistance
Health care and social assistance
15 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 07830, Califon, NJ · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
6,503
Population
62.1
Area (sq mi)
105
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 07830?
50.5
Median Age
45.9%
Male
54.1%
Female
8.8%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$180,852
Median Household Income
+48% vs state ZIP avg
$79,062
Per Capita Income
3.1%
Poverty Rate
5.2%
Unemployment Rate
32.8 min
Mean Commute Time
How ZIP 07830 ranks among New Jersey ZIPs
Califon, NJ household income vs. every New Jersey ZIP code
Median household income among 565 reporting New Jersey ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$180,852 Top 11% higher than 89% of 565 New Jersey ZIPs
Each bar is a $20K-wide band; taller bars hold more New Jersey ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
2,809housing units
2,809
Total Housing Units
2,777
Occupied Units
32
Vacant Units
2.66
Avg Household Size
Occupancy Type
$656,400
Median Home Value
+27% vs state ZIP avg
$1,979
Median Rent
1973
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
-1.6%
YoY Change (2024)
184
HPI Index (2000 = 100)
+84%
Total Change Since 2000
Home values in ZIP 07830 have decreased 1.6% over the past year (2024). Since 2000, this ZIP has seen +84% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +0.9% | 131 |
| 2021 | +8.8% | 143 |
| 2022 | +11.6% | 159 |
| 2023 | +17.2% | 187 |
| 2024 | -1.6% | 184 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 170 business establishments in ZIP 07830, employing approximately 1,000 people with a combined annual payroll of $63,071,000.
170
Businesses
1,000
Employees
$63.1M
Annual Payroll
13
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 32 | 18.8% |
| Professional, scientific, and technical services | 28 | 16.5% |
| Retail trade | 22 | 12.9% |
| Other services (except public administration) | 18 | 10.6% |
| Health care and social assistance | 15 | 8.8% |
| Accommodation and food services | 12 | 7.1% |
| Administrative and support and waste management and remediation services | 10 | 5.9% |
| Wholesale trade | 7 | 4.1% |
| Real estate and rental and leasing | 7 | 4.1% |
| Finance and insurance | 5 | 2.9% |
| Agriculture, forestry, fishing and hunting | 3 | 1.8% |
| Transportation and warehousing | 3 | 1.8% |
| Educational services | 3 | 1.8% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 07830 vs 07853 →
ZIP 07830 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 07853
Long Valley (07853)
13,325 residents
- 08833
Lebanon (08833)
8,796 residents
- 07830
Califon (07830)
6,503 residents
- 08826
Glen Gardner (08826)
5,838 residents
- 08829 3,725
High Bridge (08829)
3,725 residents
- 07865 2,189
Port Murray (07865)
2,189 residents
- 07934 1,501
Gladstone (07934)
1,501 residents
- 07977 669
Peapack (07977)
669 residents
- 07979 589
Pottersville (07979)
589 residents
What this shows Among its immediate neighbors, ZIP 07830 ranks #3 by population - useful context the national average alone can't give.
ZIP 07830 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 07934
Gladstone (07934)
$245,429 median income
- 07830
Califon (07830)
$180,852 median income
- 07853
Long Valley (07853)
$175,792 median income
- 08833
Lebanon (08833)
$172,454 median income
- 07977
Peapack (07977)
$150,875 median income
- 08826
Glen Gardner (08826)
$123,750 median income
- 08829
High Bridge (08829)
$112,467 median income
- 07865
Port Murray (07865)
$108,056 median income
What this shows By household income, ZIP 07830 ranks #2 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 07853 | Long Valley, NJ | 13,325 | 4.6 mi |
| 08833 | Lebanon, NJ | 8,796 | 5.3 mi |
| 07870 | Schooleys Mountain, NJ | 26 | 5.8 mi |
| 07979 | Pottersville, NJ | 589 | 4.4 mi |
| 08826 | Glen Gardner, NJ | 5,838 | 5.1 mi |
| 08858 | Oldwick, NJ | 144 | 4.7 mi |
| 07934 | Gladstone, NJ | 1,501 | 6.8 mi |
| 08829 | High Bridge, NJ | 3,725 | 5.8 mi |
| 07865 | Port Murray, NJ | 2,189 | 6.5 mi |
| 07977 | Peapack, NJ | 669 | 7.6 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 07830, both outside NJ so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (6,503 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Hunterdon County
Related Areas
Frequently Asked Questions
What county is ZIP code 07830 in?
ZIP code 07830 (Califon) is located in Hunterdon County, New Jersey. Hunterdon County contains multiple ZIP codes, see the full list at /counties/hunterdon-nj.
What is the population of ZIP code 07830?
ZIP code 07830 in Califon, NJ has a population of 6,503 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 07830?
The median household income in ZIP 07830 is $180,852, which is 137% above the national average of $76,288.
What is the average home value in ZIP 07830?
The median home value in ZIP 07830 is $656,400, which is 136% above the national average of $278,155.
What is the demographic makeup of ZIP 07830?
The largest racial group in ZIP 07830 is White at 83.6%. Hispanic or Latino residents make up 6.1% of the population.
How many businesses are in ZIP code 07830?
ZIP code 07830 has 170 business establishments employing approximately 1,000 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 07830?
The top industries by establishment count in ZIP 07830 are: Construction (32), Professional, scientific, and technical services (28), Retail trade (22). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 07830?
According to the FHFA House Price Index, home values in ZIP 07830 decreased by 1.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 84%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 07830?
In ZIP code 07830, 80.2% of residents aged 25+ have a high school diploma or higher, and 66.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 07830?
The mean commute time for workers in ZIP code 07830 is 32.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 07830?
In ZIP code 07830, approximately 91.3% of occupied housing units are owner-occupied and 8.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 07830?
The poverty rate in ZIP code 07830 is 3.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 07830's numbers, next.
- See how ZIP 07830 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Califon, NJ ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.