Postal Codes

08542 ZIP Code

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ZIP code 08542 covers Princeton, New Jersey, with a population of about 2,415 and a median household income of $104,694.

Population
2,4156,268 per square mile
Median age
41.73 points above the US average
Median household income
$104,694about the New Jersey median
Poverty rate
3.9%8.5 points below the US average
Typical home value
$919,277up 28.3% in five years
Median rent
$2,3981.5× the New Jersey median
Degree or higher
69.6%34.6 points above the US average
Homeownership
36%29 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
357

Where 08542 is

Princeton, New Jersey — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population2,415
Median age41.7
Family households49.1%
Born outside the US32.6%
Speaks a language other than English at home33.7%
White (non-Hispanic)55.5%
Black (non-Hispanic)11.1%
Asian (non-Hispanic)12.4%
Hispanic or Latino17.3%
Veterans0.6%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$104,694
Income per person$71,631
Poverty rate3.9%
Households on SNAP or cash assistance2.5%

Household income distribution

Under $10k0.0%
$10–15k0.7%
$15–20k0.0%
$20–25k1.2%
$25–30k6.0%
$30–35k0.0%
$35–40k6.0%
$40–45k1.6%
$45–50k5.3%
$50–60k3.3%
$60–75k5.4%
$75–100k15.4%
$100–125k18.0%
$125–150k3.0%
$150–200k10.8%
$200k or more23.3%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed1,760
Mean adjusted gross income$150,780
Returns declaring $200,000 or more18.8%
Returns, under $25k22.7%
Returns, $25k–$50k21.6%
Returns, $50k–$75k14.8%
Returns, $75k–$100k8.0%
Returns, $100k–$200k14.2%
Returns, $200k or more18.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$754,800
Median gross rent$2,398
Rent as a share of household income32.6%
Owner-occupied36%
Vacant homes5.7%
Median year built1938

What the homes are

Detached house28.5%
Attached house25.6%
2 to 4 units11.2%
5 to 19 units24.4%
20 or more units10.3%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$919,277as of 2026-07
Typical home value, 1 yearup 4.5%
Typical home value, 5 yearsup 28.3%
Typical home value, 10 yearsup 60%
Typical asking rent$3,267as of 2026-07
Typical home value since 2000
200020132026$919,277$232,546

$232,546 in 2000 to $919,277 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3%
Bachelor's degree or higher69.6%
High school diploma or higher96%
Works from home17.6%
Drives to work alone33.4%
Takes public transport4.8%
Commutes 45 minutes or more17.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity22.2% 11.2 pts below the national average of 33.4%
Diagnosed diabetes7.6% 4.4 pts below the national average of 12%
Currently smokes6.5% 6.7 pts below the national average of 13.2%
High blood pressure24.8% 9.3 pts below the national average of 34.1%
Fair or poor general health11.5% 8.8 pts below the national average of 20.3%
No health insurance (18–64)8.2% 3.1 pts below the national average of 11.3%
Depression14.8% 7.1 pts below the national average of 21.9%
No leisure-time physical activity16.8% 8.6 pts below the national average of 25.4%
Arthritis16.4% 8.7 pts below the national average of 25.1%
Binge drinking17.3% 1.3 pts above the national average of 16%
Taking blood pressure medication72.4% 2.3 pts below the national average of 74.7%
Cancer (non-skin)6.6% 1.1 pts below the national average of 7.7%
Current asthma8.3% 2.1 pts below the national average of 10.4%
Coronary heart disease3.9% 2.3 pts below the national average of 6.2%
Routine check-up in past year76.9% same as the national average of 76.7%
Cholesterol screening89.4% 3.5 pts above the national average of 85.9%
Cognitive disability9% 5.8 pts below the national average of 14.8%
Colorectal screening69.1% 4.8 pts above the national average of 64.3%
COPD3.1% 3.5 pts below the national average of 6.6%
Visited a dentist74.5% 13.2 pts above the national average of 61.3%
Any disability17.4% 13.3 pts below the national average of 30.7%
Lacks emotional support21.2% 3.6 pts below the national average of 24.8%
Food insecurity8.7% 8.4 pts below the national average of 17.1%
Received food stamps4.3% 10 pts below the national average of 14.3%
Hearing disability4.2% 2.5 pts below the national average of 6.7%
High cholesterol33.1% 3.1 pts below the national average of 36.2%
Housing insecurity9% 4.8 pts below the national average of 13.8%
Independent living disability4.6% 3.8 pts below the national average of 8.4%
Lacks transport5.4% 3.8 pts below the national average of 9.2%
Loneliness30.2% 4.2 pts below the national average of 34.4%
Mammography use79.6% 3.7 pts above the national average of 75.9%
Poor mental health (14+ days)13% 3.8 pts below the national average of 16.8%
Mobility disability7% 7 pts below the national average of 14%
Poor physical health (14+ days)8.7% 4.8 pts below the national average of 13.5%
Self-care disability2.1% 1.9 pts below the national average of 4%
Utility shut-off threat5% 3.8 pts below the national average of 8.8%
Sleeps under 7 hours32.3% 4.1 pts below the national average of 36.4%
Stroke2.1% 1.3 pts below the national average of 3.4%
All natural teeth lost4.7% 8.3 pts below the national average of 13%
Vision disability3.1% 2.5 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments357
People employed3,842
Annual payroll$307,269,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 48% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 3 census tracts this ZIP code covers
Expected annual loss52.9 out of 100
Community resilience58.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Strong wind94.2Very High at its worst in this ZIP code
Winter weather84.6Relatively High at its worst in this ZIP code
Ice storm84.5Relatively Moderate at its worst in this ZIP code
Hurricane84Relatively Moderate at its worst in this ZIP code
Earthquake70.6Relatively Low at its worst in this ZIP code
Heat wave68.9Relatively Moderate at its worst in this ZIP code
Lightning60Relatively Moderate at its worst in this ZIP code
River flooding53.3Relatively Moderate at its worst in this ZIP code
Cold wave50.5Relatively Moderate at its worst in this ZIP code
Tornado44.8Relatively Low at its worst in this ZIP code
Landslide32.7Very Low at its worst in this ZIP code
Wildfire29.3Very Low at its worst in this ZIP code
Hail21.8Very Low at its worst in this ZIP code
Drought3Very Low at its worst in this ZIP code
Compared with New Jersey and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPNew JerseyUnited States
Median household income$104,694$101,050$78,538
Income per person$71,631$53,118$43,289
Poverty rate3.9%9.8%12.4%
Median home value$754,800$427,600$303,400
Median gross rent$2,398$1,653$1,348
Homeownership36%63.7%65%
Bachelor's degree or higher69.6%42.9%35%
Unemployment rate3%6.2%5.2%
Works from home17.6%15%13.5%
Born outside the US32.6%23.5%13.9%
Median age41.740.138.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationHIGHTSTOWN 2 W, NJ US12.6 km away
Rain in a year47 in
Snow in a year24 in

Average high and low by month

January40.5°F / 21.4°F3.46 in rain, 5.8 in snow
February43°F / 22.7°F2.61 in rain, 8 in snow
March50.9°F / 29.7°F4.28 in rain, 4.6 in snow
April62.9°F / 39°F3.67 in rain, 0.6 in snow
May72.8°F / 48.4°F4.07 in rain
June81.7°F / 57.8°F4.63 in rain
July86.7°F / 63°F4.82 in rain
August84.9°F / 60.8°F4.29 in rain
September78.3°F / 53.8°F4.15 in rain
October66.4°F / 42.2°F3.98 in rain
November55.3°F / 33°F3.26 in rain, 0.3 in snow
December45.5°F / 26.6°F4.23 in rain, 4.4 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket37% of this ZIP code's area
No vehicle and far from a supermarket96% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Princeton Public Schools100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability38more vulnerable than 38% of US census tracts
Socioeconomic status10more vulnerable than 10% of US census tracts
Household characteristics57more vulnerable than 57% of US census tracts
Racial and ethnic minority status53more vulnerable than 53% of US census tracts
Housing type and transport67more vulnerable than 67% of US census tracts
Walkability16.1 out of 20Most walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

08541 Princeton, NJ0.5 km away
08544 Princeton, NJ0.7 km away
08540 Princeton, NJ2.1 km away
08528 Kingston, NJ5.3 km away
08553 Rocky Hill, NJ5.5 km away
08504 Blawenburg, NJ7 km away
08558 Skillman, NJ7.7 km away
08536 Plainsboro, NJ8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Mercer County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area0.39 sq mi
Population density6,268 people per sq mi
Latitude, longitude40.3535, -74.6594

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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