Princeton, NJ
Mercer County · New Jersey · United States
Home to 4,548 people across 0.166 square miles.
At a glance
08544 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 08544 is
| Coordinates | 40.346492, -74.657848 |
|---|---|
| Time zone | America/New_York |
| County | Mercer County |
| State | New Jersey (NJ) |
| Land area | 0.166 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
| Philadelphia, PA | 38.2 mi |
|---|---|
| New York, NY | 42.6 mi |
| Boston, MA | 232.8 mi |
| Chicago, IL | 682.8 mi |
People
Who lives in 08544
4,548 residents in 12 households, averaging 379.0 people per household. The largest age group is 18-24 at 93.2% of residents.
Age distribution
Share of residents by age band
Households
Composition and size
| Total households | 12 |
|---|---|
| Average household size | 379.0 |
| Family households | 0.0% |
| Living alone | 0.0% |
| Median age | 20.4 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 08544
Income data is suppressed for this ZIP code.
Compared to the US
This ZIP against the national median
| Median household income | — ±— |
|---|---|
| Per capita income | $14,134 |
| Poverty rate | 100.0% |
| Unemployment rate | 10.1% |
| Labor force participation | 48.6% |
Household income distribution
Share of households in each bracket
Educational attainment among residents 25 and older: 93.3% hold a bachelor's degree or higher, 100.0% finished high school.
Housing
Homes and rent in 08544
Housing cost data is suppressed for this ZIP code.
Costs
Typical values
| Median home value | — |
|---|---|
| Median gross rent | —/mo |
| Median year built | — |
| Housing units | 12 |
| Vacancy rate | 0.0% |
Own vs. rent
Of 12 occupied units
| Owner households | 0 |
|---|---|
| Renter households | 12 |
Building types
Units by structure size
Getting to work
How 08544 commutes
49.1% of workers walked, and the average one-way trip takes 15.4 minutes. 26.0% work from home.
Mode of transport
Workers 16 and older
Travel time
Mean commute 15.4 minutes
Overview
Understanding ZIP code 08544
ZIP code 08544 is assigned to Princeton, NJ, and falls within Mercer 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 4,548 people live inside it.
At 27,398 residents per square mile spread over 0.166 square miles, 08544 reads as a dense urban area. It is a smaller postal code by population, 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 Princeton looks like
The building stock is dominated by small multi-family buildings of two to four units, which account for 100.0% of housing units here. At 0.0%, vacancy is low — housing here is tightly held.
The population skews notably young, with a median age of 20.4 against 42 nationally. Households are relatively large at 379.0 people on average, with 0.0% classified as family households.
Getting to work takes 15.4 minutes on average one way. The dominant mode is walked at 49.1% of workers, while 49.1% walk, 26.0% work from home. Commute patterns are one of the better proxies for how a place actually functions day to day.
Where to stay
Where to stay in Princeton, NJ
Princeton sits in a densely built environment, and accommodation in and around 08544 tends to reflect that — full-service hotels, boutique properties and serviced apartments packed close together, usually within walking distance of transit. Rates in dense urban codes move sharply with the calendar: midweek business demand and weekend leisure demand can price very differently.
For reference, Philadelphia, PA is about 38.2 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.
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Practical uses
What ZIP code 08544 is used for
Beyond addressing mail, 08544 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, 08544 offers a compact profile of Princeton: 4,548 residents, 93.3% of adults holding a bachelor's degree or higher, and an unemployment rate of 10.1%. 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. 08544 may cover parts of several distinct areas, and a single neighbourhood in Princeton 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 08544
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.
Other ZIP codes in Princeton
Princeton is served by 5 postal codes.
More in Mercer County
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Questions
Common questions about 08544
What city is ZIP code 08544 in?
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What time zone is 08544 in?
How big is ZIP code 08544?
Is 08544 urban, suburban or rural?
What is the commute like from 08544?
How many people work in 08544?
Where should I stay when visiting 08544?
Does 08544 cover more than one city or county?
Can ZIP code 08544 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 08544. 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).