Changewater, NJ
Warren County · New Jersey · United States
Home to 39 people across 0.122 square miles.
At a glance
07831 by the numbers
Every figure below comes from the 2019–2023 American Community Survey 5-Year Estimates, the Census Gazetteer, or is computed from those. Margins of error are shown where they matter.
Location
Where 07831 is
| Coordinates | 40.739211, -74.946813 |
|---|---|
| Time zone | America/New_York |
| County | Warren County |
| State | New Jersey (NJ) |
| Land area | 0.122 mi² |
| Coordinate source | Census ZCTA internal point |
Local time
America/New_York
Current weather
Live from the National Weather Service
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Distance to major cities
Straight-line, computed from coordinates
| New York, NY | 49.3 mi |
|---|---|
| Philadelphia, PA | 55.6 mi |
| Boston, MA | 230.1 mi |
| Chicago, IL | 662.3 mi |
People
Who lives in 07831
39 residents in 20 households, averaging 1.95 people per household. The largest age group is 65+ at 100.0% of residents, and 100.0% of households are families.
Age distribution
Share of residents by age band
Households
Composition and size
| Total households | 20 |
|---|---|
| Average household size | 1.95 |
| Family households | 100.0% |
| Living alone | 0.0% |
| Median age | None years |
| Households with internet | 100.0% |
Race & ethnicity
Census race categories. Hispanic or Latino origin is asked separately and overlaps these groups.
Income & work
What people earn in 07831
Income data is suppressed for this ZIP code.
Compared to the US
This ZIP against the national median
| Median household income | — ±— |
|---|---|
| Per capita income | — |
| Poverty rate | 0.0% |
| Unemployment rate | None% |
| Labor force participation | 0.0% |
Household income distribution
Share of households in each bracket
Educational attainment among residents 25 and older: 0.0% hold a bachelor's degree or higher, 51.3% finished high school.
Housing
Homes and rent in 07831
Housing cost data is suppressed for this ZIP code.
Costs
Typical values
| Median home value | — |
|---|---|
| Median gross rent | —/mo |
| Median year built | — |
| Housing units | 20 |
| Vacancy rate | 0.0% |
Own vs. rent
Of 20 occupied units
| Owner households | 20 |
|---|---|
| Renter households | 0 |
Building types
Units by structure size
Overview
Understanding ZIP code 07831
ZIP code 07831 is assigned to Changewater, NJ, and falls within Warren County. Like every US postal code, it began as a mail-routing device rather than a geographic boundary — the US Postal Service groups delivery routes under a single code so carriers and sorting equipment can process mail efficiently. Today it also serves as a practical shorthand for the area itself: roughly 39 people live inside it.
At 320 residents per square mile spread over 0.122 square miles, 07831 reads as a small-town area. It is a sparsely populated postal code, and density shapes almost everything else on this page — how people get to work, whether they own or rent, and what housing costs.
Living here
What life in Changewater looks like
The building stock is dominated by detached single-family houses, which account for 100.0% of housing units here. At 0.0%, vacancy is low — housing here is tightly held.
The population skews not published, with a median age of None against 42 nationally. Households average just 1.95 people, and 0.0% consist of one person living alone — a signature of areas with a lot of studio and one-bedroom stock.
Where to stay
Where to stay in Changewater, NJ
Changewater is a smaller community, so options inside 07831 may be limited to a handful of independent inns, motels or bed-and-breakfast properties. Travellers often widen the search to the surrounding area, where the choice is greater and prices are usually competitive.
For reference, New York, NY is about 49.3 miles away in a straight line, which is worth factoring in if you are comparing a stay here against one closer to the city centre.
Availability and pricing change constantly, so the live search below will give you a more accurate picture than any figure we could publish here. It opens results for this area on Booking.com.
Opens Booking.com in a new tab. We are not affiliated with Booking.com and receive nothing from this link.
Practical uses
What ZIP code 07831 is used for
Beyond addressing mail, 07831 does a lot of quiet administrative work. Retailers use it to calculate shipping and sales tax at checkout. Insurers use it to set premiums, since risk profiles vary geographically. Employers and marketers use it to define service areas. Government agencies use it to route benefits and organise reporting. If you have ever been asked for a postal code by a form that clearly does not intend to send you anything, this is why.
For anyone weighing a move, 07831 offers a compact profile of Changewater: 39 residents, and 0.0% of adults holding a bachelor's degree or higher. A handful of figures like these answer more relocation questions than most neighbourhood guides do.
One caution worth repeating: a postal code is not a neighbourhood. 07831 may cover parts of several distinct areas, and a single neighbourhood in Changewater may be split across more than one code. Boundaries also shift as USPS adjusts delivery routes. Treat the figures here as describing a delivery area, which is what they actually measure.
Nearby
ZIP codes near 07831
The eight closest postal codes by centroid distance, each with its own full profile. You can also browse every New Jersey ZIP code or use the ZIP Express Lookup to search by city, county or time zone.
More in Warren County
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Questions
Common questions about 07831
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How big is ZIP code 07831?
Is 07831 urban, suburban or rural?
How many people work in 07831?
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Does 07831 cover more than one city or county?
Can ZIP code 07831 change?
Methodology
Where this data comes from
- Postal geography — GeoNames open postal code database (CC BY 4.0), cross-checked against the US Census Gazetteer.
- Demographics, income, housing, commute — US Census Bureau, American Community Survey 2019–2023 5-Year Estimates, ZIP Code Tabulation Area 07831. Tables B01001, B01002, B01003, B02001, B03003, B08301, B08303, B11001, B15003, B17001, B19001, B19013, B19301, B23025, B25002, B25003, B25024, B25035, B25064, B25077, B28002.
- Land and water area — US Census Bureau 2023 Gazetteer Files.
- Weather — NOAA National Weather Service, fetched live in your browser.
- Map — OpenStreetMap contributors (ODbL).