07823 ZIP Code — Belvidere, NJ
Warren County, New Jersey
ZIP code 07823 is located in Belvidere, New Jersey, within Warren County. It covers approximately 25.08 square miles and serves a population of 7,644 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 908.
About ZIP code 07823
The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $292,300. Owner-occupancy sits near the national average at 65%.
Median household income is $75,104. 52% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 36 minutes suggests many residents work outside the immediate area.
Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.
7,644
population
25.08
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
07823 ZIP code map
Cities in ZIP code 07823
Below are the cities the US Postal Service accepts for ZIP code 07823. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Belvidere | Preferred |
Nearby ZIP codes
07863 Oxford (3.5 mi)
07882 Washington (4.9 mi)
18343 Mount Bethel (6.1 mi)
07838 Great Meadows (7 mi)
18013 Bangor (7.2 mi)
07865 Port Murray (7.4 mi)
07831 Changewater (7.7 mi)
08826 Glen Gardner (10 mi)
08886 Stewartsville (10.2 mi)
08802 Asbury (10.3 mi)
07825 Blairstown (10.5 mi)
08865 Phillipsburg (10.8 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 7,644 |
| Population density | 305 / sq mi |
| State FIPS | 34 |
| County FIPS | 041 |
| Geography | |
|---|---|
| Land area | 25.08 sq mi |
| Water area | 0.44 sq mi |
| Latitude | 40.8279 |
| Longitude | -75.0320 |
| Timezone | Eastern (ET) |
| Area code | 908 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 39.1% | 28.4% | 30.2% |
| $50k – $100k | 33.5% | 30.6% | 26.7% |
| $100k – $200k | 22.9% | 31.1% | 28.3% |
| Over $200k | 4.6% | 9.9% | 14.8% |
Demographics & statistics
7,644
Population
305
People per sq mi
54.5
Median age
$75,104
Median household income
$41,006
Per capita income
$292,300
Median home value
$866
Median monthly rent
65.2%
Home ownership
9.7%
Poverty rate
4.7%
Unemployment
2,432
Housing units
26.1%
Bachelor's or higher
Age distribution
Male
Female
117
Under 5
126
129
5–9
138
132
10–14
142
200
15–19
215
168
20–24
181
392
25–34
422
268
35–44
289
457
45–54
492
331
55–59
357
449
60–64
483
458
65–74
494
421
75–84
454
158
85+
171
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 1,020 | 13.3% |
| 18 and over | 6,624 | 86.7% |
| 65 and over | 2,156 | 28.2% |
| Median age | 54.5 years | |
Race & ethnicity
White
90.6%
Two or more races
3.3%
Hispanic or Latino
2.9%
Black or African American
1.6%
Other race
0.6%
Asian
0.6%
American Indian / Alaska Native
0.4%
| Group | Count | % |
|---|---|---|
| White | 7,133 | 90.6% |
| Two or more races | 259 | 3.3% |
| Hispanic or Latino | 228 | 2.9% |
| Black or African American | 127 | 1.6% |
| Other race | 49 | 0.6% |
| Asian | 44 | 0.6% |
| American Indian / Alaska Native | 32 | 0.4% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 39.1% | 28.4% | 30.2% |
| $50k – $100k | 33.5% | 30.6% | 26.7% |
| $100k – $200k | 22.9% | 31.1% | 28.3% |
| Over $200k | 4.6% | 9.9% | 14.8% |
Under $10k
2.7%
$10k–$15k
5.0%
$15k–$25k
6.9%
$25k–$35k
14.2%
$35k–$50k
7.7%
$50k–$75k
13.5%
$75k–$100k
19.3%
$100k–$150k
16.1%
$150k–$200k
7.8%
$200k+
6.8%
| Range | % of households |
|---|---|
| Under $10k | 2.7% |
| $10k–$15k | 5.0% |
| $15k–$25k | 6.9% |
| $25k–$35k | 14.2% |
| $35k–$50k | 7.7% |
| $50k–$75k | 13.5% |
| $75k–$100k | 19.3% |
| $100k–$150k | 16.1% |
| $150k–$200k | 7.8% |
| $200k+ | 6.8% |
| Median income | $75,104 |
Housing
Home values
Under $50k
4.4%
$50k–$100k
1.8%
$100k–$150k
4.2%
$150k–$200k
14.0%
$200k–$300k
28.0%
$300k–$500k
37.8%
$500k–$1M
8.8%
$1M+
0.9%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $292,300 |
| Median rent / month | $866 |
| Owner occupied | 65.2% |
| Renter occupied | 34.8% |
| Vacant | 3.0% |
| Single-family detached | 65.5% |
| Large apartment buildings | 8.5% |
| Mobile homes | 5.4% |
| Median rooms | 5.8 |
| Avg household size (owned) | 2.36 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 0.3% |
| 2000–2009 | 18.2% |
| 1990–1999 | 17.1% |
| 1980–1989 | 8.6% |
| 1970–1979 | 4.6% |
| 1960–1969 | 4.5% |
| 1950–1959 | 10.1% |
| 1940–1949 | 9.3% |
| 1939 or earlier | 27.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.5% |
| 1 bedroom | 19.1% |
| 2 bedrooms | 30.0% |
| 3 bedrooms | 26.0% |
| 4 bedrooms | 21.0% |
| 5+ bedrooms | 1.4% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 13.0% |
| 1 vehicle | 37.3% |
| 2 vehicles | 28.8% |
| 3 or more | 20.9% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 34.1% |
| Electricity | 13.8% |
| Propane / LP gas | 8.9% |
| Fuel oil | 38.6% |
| Wood | 3.4% |
| No fuel used | 0.6% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 1,744 | 49.0% |
| Cohabiting couple | 149 | 4.2% |
| Male householder, no spouse | 531 | 14.9% |
| Female householder, no spouse | 1,134 | 31.9% |
| Households with children under 18 | 645 | 18.1% |
| Households with seniors (65+) | 1,683 | 47.3% |
| Average household size | 2.11 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 24.6% | 19.9% |
| Married | 61.5% | 47.9% |
| Separated | 0.2% | 1.9% |
| Widowed | 2.7% | 15.1% |
| Divorced | 11.1% | 15.3% |
Education
Less than 9th grade
0.7%
Some HS, no diploma
5.2%
HS graduate
39.0%
Some college, no degree
20.7%
Associate's degree
8.3%
Bachelor's degree
15.8%
Graduate / professional
10.3%
| Metric | % |
|---|---|
| HS diploma or higher | 94.1% |
| Bachelor's or higher | 26.1% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 32 | 2.7% |
| Kindergarten | 104 | 8.7% |
| Elementary school | 352 | 29.3% |
| High school | 342 | 28.5% |
| College / grad school | 372 | 30.9% |
Employment
Industry of employment
Education & healthcare
28.2%
Retail trade
12.7%
Manufacturing
11.2%
Other services
8.8%
Finance & real estate
7.1%
Professional & management
6.8%
Construction
6.4%
Wholesale trade
4.7%
Public administration
4.6%
Transportation & utilities
4.4%
Arts, food & hospitality
4.0%
Agriculture & mining
0.6%
Information
0.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 30.8% |
| Service | 16.5% |
| Sales & office | 25.9% |
| Natural resources & construction | 8.8% |
| Production & transportation | 18.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 79.5% |
| Government | 15.7% |
| Self-employed | 4.8% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 77.5% |
| Carpool | 7.2% |
| Public transit | 1.0% |
| Walk | 6.2% |
| Work from home | 5.5% |
| Other means | 2.6% |
| Avg commute (minutes) | 36.4 |
Poverty
All people
9.7%
Under 18 years
17.7%
18 and over
8.5%
Married-couple families
3.5%
Female-led households
6.2%
Income support
| Source | % of households |
|---|---|
| Social Security | 51.5% |
| Retirement income | 41.0% |
| Supplemental Security | 4.7% |
| Cash public assistance | 1.4% |
| Food stamps / SNAP | 8.8% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 29.7% |
| High blood pressure | 0.0% |
| High cholesterol | 0.0% |
| Diabetes | 9.7% |
| Heart disease | 7.5% |
| Stroke | 3.3% |
| Asthma | 9.5% |
| Arthritis | 25.7% |
| Kidney disease | 3.1% |
| Pulmonary disease | 7.1% |
| Cancer | 8.7% |
| Behavior / access | % |
|---|---|
| Smoking | 14.0% |
| Binge drinking | 16.7% |
| No physical activity | 21.4% |
| Less than 7 hrs sleep | 29.1% |
| Depression | 18.3% |
| Fair or poor health | 12.0% |
| Poor mental health | 13.2% |
| Poor physical health | 9.6% |
| No health insurance | 11.3% |
| Visited doctor (checkup) | 77.0% |
| Visited dentist | 67.5% |
| Cholesterol screening | 0.0% |
| Teeth loss | 11.7% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 553 | 8.3% |
| Disability | % |
|---|---|
| Any disability | 18.8% |
| Under 18 | 1.3% |
| 18–64 years | 14.6% |
| 65 and over | 35.8% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 78.5% |
| Public insurance | 42.9% |
| No insurance | 3.2% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 7,401 | 96.8% |
| Spanish | 164 | 2.2% |
| Other Indo-European | 75 | 1.0% |
| Asian & Pacific Islander | 85 | 1.1% |
| Other languages | 4 | 0.1% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 7,254 | 94.9% |
| Born in same state | 7,157 | 93.6% |
| Born in different state | 5,055 | 66.1% |
| Foreign born | 97 | 1.3% |
| Naturalized citizen | 390 | 5.1% |
| Not a US citizen | 305 | 78.2% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 1,091 | 14.3% |
| French | 725 | 9.5% |
| Arab | 330 | 4.3% |
| English | 279 | 3.6% |
| Irish | 141 | 1.8% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 51 | 0.7% |
| Polish | 25 | 0.3% |
| Norwegian | 13 | 0.2% |
| German | 7 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 46.5% |
| Internet access | 92.3% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 07823
What city is ZIP code 07823 in?
ZIP code 07823 is primarily assigned to Belvidere, New Jersey.
What county is ZIP code 07823 in?
ZIP code 07823 falls within Warren County, New Jersey.
Does ZIP code 07823 have an older population?
28% of residents in ZIP code 07823 are 65 or older, above the national average of ~17%.
Does ZIP code 07823 have a large retiree population?
52% of households in ZIP code 07823 receive Social Security income, suggesting a significant retiree or disability population.
What is the population of ZIP code 07823?
ZIP code 07823 has an estimated population of 7,644 residents, with a density of 305 people per square mile.
What is the typical home value in ZIP code 07823?
The median home value in ZIP code 07823 is $292,300.
What timezone is ZIP code 07823 in?
ZIP code 07823 observes the EST timezone.