Postal Codes

08540 ZIP Code

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ZIP code 08540 covers Princeton, New Jersey, with a population of about 49,499 and a median household income of $169,898.

Population
49,499957 per square mile
Median age
40.11.4 points above the US average
Median household income
$169,8981.7× the New Jersey median
Poverty rate
8.1%4.3 points below the US average
Typical home value
$987,711up 37.8% in five years
Median rent
$2,0831.3× the New Jersey median
Degree or higher
82.4%47.4 points above the US average
Homeownership
63.4%1.6 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
2,193

Where 08540 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

Population49,499
Median age40.1
Family households68.3%
Born outside the US36%
Speaks a language other than English at home41.3%
White (non-Hispanic)52.5%
Black (non-Hispanic)5.4%
Asian (non-Hispanic)31.1%
Hispanic or Latino6.7%
Veterans2.5%
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$169,898
Income per person$87,961
Poverty rate8.1%
Households on SNAP or cash assistance3.2%

Household income distribution

Under $10k3.7%
$10–15k2.4%
$15–20k1.5%
$20–25k1.9%
$25–30k1.0%
$30–35k1.0%
$35–40k1.2%
$40–45k2.6%
$45–50k2.3%
$50–60k2.5%
$60–75k5.7%
$75–100k8.4%
$100–125k6.3%
$125–150k5.6%
$150–200k10.7%
$200k or more43.2%

Income as declared to the IRS

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

Tax returns filed22,230
Mean adjusted gross income$271,701
Returns declaring $200,000 or more34.4%
Returns, under $25k17.6%
Returns, $25k–$50k12.5%
Returns, $50k–$75k9.1%
Returns, $75k–$100k7.2%
Returns, $100k–$200k19.2%
Returns, $200k or more34.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$723,400
Median gross rent$2,083
Rent as a share of household income24.5%
Owner-occupied63.4%
Vacant homes6.3%
Median year built1985

What the homes are

Detached house49.6%
Attached house19.4%
2 to 4 units4.3%
5 to 19 units13.6%
20 or more units13.1%
Mobile home0%
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$987,711as of 2026-07
Typical home value, 1 yearup 2.6%
Typical home value, 5 yearsup 37.8%
Typical home value, 10 yearsup 55.6%
Typical asking rent$3,502as of 2026-07
Typical asking rent, 1 yearup 2.6%
Typical asking rent, 5 yearsup 27.1%
Typical asking rent, 10 yearsup 43.5%
Typical home value since 2000
200020132026$987,711$345,796

$345,796 in 2000 to $987,711 in 2026.

Typical asking rent
201620212026$3,502$2,441

$2,441 in 2016 to $3,502 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4%
Bachelor's degree or higher82.4%
High school diploma or higher97.7%
Works from home35.1%
Drives to work alone43.4%
Takes public transport7.6%
Commutes 45 minutes or more22.3%
Health

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

Obesity20.3% 13.1 pts below the national average of 33.4%
Diagnosed diabetes8.8% 3.2 pts below the national average of 12%
Currently smokes6.5% 6.7 pts below the national average of 13.2%
High blood pressure27.6% 6.5 pts below the national average of 34.1%
Fair or poor general health11.1% 9.2 pts below the national average of 20.3%
No health insurance (18–64)5.6% 5.7 pts below the national average of 11.3%
Depression13.2% 8.7 pts below the national average of 21.9%
No leisure-time physical activity17.6% 7.8 pts below the national average of 25.4%
Arthritis18.6% 6.5 pts below the national average of 25.1%
Binge drinking13.9% 2.1 pts below the national average of 16%
Taking blood pressure medication76.6% 1.9 pts above the national average of 74.7%
Cancer (non-skin)7.6% same as the national average of 7.7%
Current asthma7.8% 2.6 pts below the national average of 10.4%
Coronary heart disease4.4% 1.8 pts below the national average of 6.2%
Routine check-up in past year79.6% 2.9 pts above the national average of 76.7%
Cholesterol screening91.1% 5.2 pts above the national average of 85.9%
Cognitive disability7.8% 7 pts below the national average of 14.8%
Colorectal screening64.6% same as the national average of 64.3%
COPD3.3% 3.3 pts below the national average of 6.6%
Visited a dentist73.8% 12.5 pts above the national average of 61.3%
Any disability17.1% 13.6 pts below the national average of 30.7%
Lacks emotional support21.7% 3.1 pts below the national average of 24.8%
Food insecurity7.6% 9.5 pts below the national average of 17.1%
Received food stamps3.4% 10.9 pts below the national average of 14.3%
Hearing disability4.5% 2.2 pts below the national average of 6.7%
High cholesterol37.8% 1.6 pts above the national average of 36.2%
Housing insecurity6.7% 7.1 pts below the national average of 13.8%
Independent living disability4.3% 4.1 pts below the national average of 8.4%
Lacks transport4.4% 4.8 pts below the national average of 9.2%
Loneliness29.8% 4.6 pts below the national average of 34.4%
Mammography use77.2% 1.3 pts above the national average of 75.9%
Poor mental health (14+ days)11.5% 5.3 pts below the national average of 16.8%
Mobility disability7.4% 6.6 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% 2 pts below the national average of 4%
Utility shut-off threat3.8% 5 pts below the national average of 8.8%
Sleeps under 7 hours33.3% 3.1 pts below the national average of 36.4%
Stroke2.3% 1.1 pts below the national average of 3.4%
All natural teeth lost5.3% 7.7 pts below the national average of 13%
Vision disability2.9% 2.7 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments2,193
People employed49,484
Annual payroll$6,029,597,000
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 73.7% of US census tracts
FEMA ratingVery Low to Relatively High across the 17 census tracts this ZIP code covers
Expected annual loss83.4 out of 100
Community resilience64.4 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 wind92.7Very High at its worst in this ZIP code
River flooding88.4Very High at its worst in this ZIP code
Ice storm87.3Relatively High at its worst in this ZIP code
Winter weather84.8Relatively High at its worst in this ZIP code
Hurricane82.2Relatively Moderate at its worst in this ZIP code
Earthquake70.2Relatively Moderate at its worst in this ZIP code
Wildfire68Relatively Low at its worst in this ZIP code
Drought66.4Relatively Low at its worst in this ZIP code
Heat wave63.2Relatively Moderate at its worst in this ZIP code
Landslide60.4Relatively Low at its worst in this ZIP code
Lightning55.3Relatively High at its worst in this ZIP code
Cold wave49.2Relatively Moderate at its worst in this ZIP code
Tornado47.7Relatively Moderate at its worst in this ZIP code
Hail26.4Very 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$169,898$101,050$78,538
Income per person$87,961$53,118$43,289
Poverty rate8.1%9.8%12.4%
Median home value$723,400$427,600$303,400
Median gross rent$2,083$1,653$1,348
Homeownership63.4%63.7%65%
Bachelor's degree or higher82.4%42.9%35%
Unemployment rate4%6.2%5.2%
Works from home35.1%15%13.5%
Born outside the US36%23.5%13.9%
Median age40.140.138.7
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 US12.9 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 supermarket84% of this ZIP code's area
No vehicle and far from a supermarket27% 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%.

This ZIP code is served by 7 school districts, so the address decides which one, not the ZIP code.

Princeton Public Schools33.6% of this ZIP code's land area
Franklin Township School District18.4% of this ZIP code's land area
West Windsor-Plainsboro Regional School District17.2% of this ZIP code's land area
Lawrence Township School District9.8% of this ZIP code's land area
Montgomery Township School District8.1% of this ZIP code's land area
Hopewell Valley Regional School District6.9% of this ZIP code's land area
South Brunswick Township School District6% 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 vulnerability24more vulnerable than 24% of US census tracts
Socioeconomic status10more vulnerable than 10% of US census tracts
Household characteristics32more vulnerable than 32% of US census tracts
Racial and ethnic minority status63more vulnerable than 63% of US census tracts
Housing type and transport46more vulnerable than 46% of US census tracts
Walkability9 out of 20Below average
Nearby ZIP codes

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

08542 Princeton, NJ2.1 km away
08544 Princeton, NJ2.2 km away
08541 Princeton, NJ2.5 km away
08528 Kingston, NJ3.2 km away
08553 Rocky Hill, NJ3.8 km away
08504 Blawenburg, NJ6.9 km away
08536 Plainsboro, NJ7.2 km away
08558 Skillman, NJ7.2 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 County62.6% of this ZIP code's land area
Somerset County26.5% of this ZIP code's land area
Middlesex County10.9% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area51.72 sq mi
Water area1.04 sq mi
Population density957 people per sq mi
Latitude, longitude40.3666, -74.6408

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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