07831 ZIP Code — Changewater, NJ
Warren County, New Jersey
ZIP code 07831 is located in Changewater, New Jersey, within Warren County. It covers approximately 0.12 square miles and serves a population of 30 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 908.
30
population
0.12
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
07831 ZIP code map
Cities in ZIP code 07831
Below are the cities the US Postal Service accepts for ZIP code 07831. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Changewater | Preferred |
Nearby ZIP codes
08826 Glen Gardner (2.4 mi)
07882 Washington (4 mi)
07865 Port Murray (4.1 mi)
08827 Hampton (4.8 mi)
08829 High Bridge (5.4 mi)
07863 Oxford (5.6 mi)
08809 Clinton (5.7 mi)
08802 Asbury (6.1 mi)
07830 Califon (7.6 mi)
07823 Belvidere (7.7 mi)
08801 Annandale (7.8 mi)
07853 Long Valley (8 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 30 |
| Population density | 250 / sq mi |
| State FIPS | 34 |
| County FIPS | 041 |
| Geography | |
|---|---|
| Land area | 0.12 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 40.7383 |
| Longitude | -74.9447 |
| Timezone | Eastern (ET) |
| Area code | 908 |
Total population by age
Gender
Race & ethnicity
Demographics & statistics
30
Population
250
People per sq mi
0.0
Median age
$0
Median household income
$0
Per capita income
$0
Median home value
$0
Median monthly rent
100.0%
Home ownership
0.0%
Poverty rate
0.0%
Unemployment
16
Housing units
0.0%
Bachelor's or higher
Age distribution
Male
Female
16
75–84
14
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 0 | 0.0% |
| 18 and over | 30 | 100.0% |
| 65 and over | 30 | 100.0% |
| Median age | 0.0 years | |
Race & ethnicity
White
100%
| Group | Count | % |
|---|---|---|
| White | 30 | 100% |
Household income
$75k–$100k
100.0%
| Range | % of households |
|---|---|
| $75k–$100k | 100.0% |
| Median income | $0 |
Housing
Home values
$200k–$300k
100.0%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $0 |
| Median rent / month | $0 |
| Owner occupied | 100.0% |
| Renter occupied | 0.0% |
| Vacant | 0.0% |
| Single-family detached | 100.0% |
| Large apartment buildings | 0.0% |
| Mobile homes | 0.0% |
| Median rooms | 0.0 |
| Avg household size (owned) | 1.88 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 0.0% |
| 2000–2009 | 0.0% |
| 1990–1999 | 0.0% |
| 1980–1989 | 0.0% |
| 1970–1979 | 0.0% |
| 1960–1969 | 0.0% |
| 1950–1959 | 0.0% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 100.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 0.0% |
| 2 bedrooms | 0.0% |
| 3 bedrooms | 100.0% |
| 4 bedrooms | 0.0% |
| 5+ bedrooms | 0.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 0.0% |
| 2 vehicles | 100.0% |
| 3 or more | 0.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Fuel oil | 100.0% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 16 | 100.0% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 0 | 0.0% |
| Female householder, no spouse | 0 | 0.0% |
| Households with children under 18 | 0 | 0.0% |
| Households with seniors (65+) | 16 | 100.0% |
| Average household size | 1.88 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 0.0% | 0.0% |
| Married | 100.0% | 100.0% |
| Separated | 0.0% | 0.0% |
| Widowed | 0.0% | 0.0% |
| Divorced | 0.0% | 0.0% |
Education
Less than 9th grade
0.0%
Some HS, no diploma
46.7%
HS graduate
53.3%
Some college, no degree
0.0%
Associate's degree
0.0%
Bachelor's degree
0.0%
Graduate / professional
0.0%
| Metric | % |
|---|---|
| HS diploma or higher | 53.3% |
| Bachelor's or higher | 0.0% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 0 | 0.0% |
| High school | 0 | 0.0% |
| College / grad school | 0 | 0.0% |
Employment
Industry of employment
Occupation
| Category | % |
|---|---|
| Management, business & arts | 0.0% |
| Service | 0.0% |
| Sales & office | 0.0% |
| Natural resources & construction | 0.0% |
| Production & transportation | 0.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 0.0% |
| Government | 0.0% |
| Self-employed | 0.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 0.0% |
| Carpool | 0.0% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Work from home | 0.0% |
| Other means | 0.0% |
| Avg commute (minutes) | 0.0 |
Poverty
All people
0.0%
Under 18 years
0.0%
18 and over
0.0%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 100.0% |
| Retirement income | 100.0% |
| Supplemental Security | 100.0% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 0.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 0.0% |
| High blood pressure | 0.0% |
| High cholesterol | 0.0% |
| Diabetes | 0.0% |
| Heart disease | 0.0% |
| Stroke | 0.0% |
| Asthma | 0.0% |
| Arthritis | 0.0% |
| Kidney disease | 0.0% |
| Pulmonary disease | 0.0% |
| Cancer | 0.0% |
| Behavior / access | % |
|---|---|
| Smoking | 0.0% |
| Binge drinking | 0.0% |
| No physical activity | 0.0% |
| Less than 7 hrs sleep | 0.0% |
| Depression | 0.0% |
| Fair or poor health | 0.0% |
| Poor mental health | 0.0% |
| Poor physical health | 0.0% |
| No health insurance | 0.0% |
| Visited doctor (checkup) | 0.0% |
| Visited dentist | 0.0% |
| Cholesterol screening | 0.0% |
| Teeth loss | 0.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 16 | 53.3% |
| Disability | % |
|---|---|
| Any disability | 0.0% |
| Under 18 | 0.0% |
| 18–64 years | 0.0% |
| 65 and over | 0.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 100.0% |
| Public insurance | 100.0% |
| No insurance | 0.0% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 30 | 100.0% |
| Spanish | 0 | 0.0% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 30 | 100.0% |
| Born in same state | 30 | 100.0% |
| Born in different state | 30 | 100.0% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 53.3% |
| Internet access | 100.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 07831
What city is ZIP code 07831 in?
ZIP code 07831 is primarily assigned to Changewater, New Jersey.
What county is ZIP code 07831 in?
ZIP code 07831 falls within Warren County, New Jersey.
Does ZIP code 07831 have an older population?
100% of residents in ZIP code 07831 are 65 or older, above the national average of ~17%.
Does ZIP code 07831 have a large retiree population?
100% of households in ZIP code 07831 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 07831 have a large veteran population?
53% of civilians in ZIP code 07831 are veterans, above the national average of ~7%.
What is the population of ZIP code 07831?
ZIP code 07831 has an estimated population of 30 residents, with a density of 246 people per square mile.
What timezone is ZIP code 07831 in?
ZIP code 07831 observes the EST timezone.