Postal Codes

08550 ZIP Code

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ZIP code 08550 covers Princeton Junction, New Jersey, with a population of about 20,876 and a median household income of $206,658.

Population
20,8761,091 per square mile
Median age
45.16.4 points above the US average
Median household income
$206,6582.0× the New Jersey median
Poverty rate
2.5%9.9 points below the US average
Typical home value
$1,029,615up 45.4% in five years
Median rent
$2,6941.6× the New Jersey median
Degree or higher
84.5%49.5 points above the US average
Homeownership
76.3%11.3 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
458

Where 08550 is

Princeton Junction, 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

Population20,876
Median age45.1
Family households80.8%
Born outside the US44.7%
Speaks a language other than English at home53.2%
White (non-Hispanic)36.9%
Black (non-Hispanic)0.9%
Asian (non-Hispanic)52.5%
Hispanic or Latino5.7%
Veterans1.7%
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$206,658
Income per person$97,510
Poverty rate2.5%
Households on SNAP or cash assistance3%

Household income distribution

Under $10k2.9%
$10–15k1.7%
$15–20k0.2%
$20–25k0.6%
$25–30k0.8%
$30–35k0.5%
$35–40k0.6%
$40–45k1.1%
$45–50k2.7%
$50–60k2.0%
$60–75k2.9%
$75–100k6.4%
$100–125k3.4%
$125–150k5.6%
$150–200k15.8%
$200k or more52.8%

Income as declared to the IRS

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

Tax returns filed9,470
Mean adjusted gross income$249,238
Returns declaring $200,000 or more41%
Returns, under $25k17.0%
Returns, $25k–$50k8.4%
Returns, $50k–$75k7.4%
Returns, $75k–$100k6.4%
Returns, $100k–$200k19.7%
Returns, $200k or more41.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$758,900
Median gross rent$2,694
Rent as a share of household income19.2%
Owner-occupied76.3%
Vacant homes1.3%
Median year built1988

What the homes are

Detached house72.6%
Attached house7.9%
2 to 4 units4.3%
5 to 19 units10%
20 or more units5.3%
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$1,029,615as of 2026-07
Typical home value, 1 yearup 1.9%
Typical home value, 5 yearsup 45.4%
Typical home value, 10 yearsup 62.8%
Typical asking rent$3,898as of 2026-07
Typical home value since 2000
200020132026$1,029,615$326,834

$326,834 in 2000 to $1,029,615 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.1%
Bachelor's degree or higher84.5%
High school diploma or higher98.8%
Works from home40.8%
Drives to work alone37.9%
Takes public transport14.6%
Commutes 45 minutes or more40.3%
Health

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

Obesity15.9% 17.5 pts below the national average of 33.4%
Diagnosed diabetes9% 3 pts below the national average of 12%
Currently smokes5% 8.2 pts below the national average of 13.2%
High blood pressure26.6% 7.5 pts below the national average of 34.1%
Fair or poor general health9.5% 10.8 pts below the national average of 20.3%
No health insurance (18–64)4.2% 7.1 pts below the national average of 11.3%
Depression10.9% 11 pts below the national average of 21.9%
No leisure-time physical activity16.4% 9 pts below the national average of 25.4%
Arthritis17% 8.1 pts below the national average of 25.1%
Binge drinking12% 4 pts below the national average of 16%
Taking blood pressure medication77.9% 3.2 pts above the national average of 74.7%
Cancer (non-skin)7.3% same as the national average of 7.7%
Current asthma6.9% 3.5 pts below the national average of 10.4%
Coronary heart disease4.1% 2.1 pts below the national average of 6.2%
Routine check-up in past year81.2% 4.5 pts above the national average of 76.7%
Cholesterol screening93% 7.1 pts above the national average of 85.9%
Cognitive disability6% 8.8 pts below the national average of 14.8%
Colorectal screening64.2% same as the national average of 64.3%
COPD2.6% 4 pts below the national average of 6.6%
Visited a dentist76% 14.7 pts above the national average of 61.3%
Any disability14% 16.7 pts below the national average of 30.7%
Lacks emotional support22.2% 2.6 pts below the national average of 24.8%
Food insecurity5.9% 11.2 pts below the national average of 17.1%
Received food stamps2.2% 12.1 pts below the national average of 14.3%
Hearing disability4.1% 2.6 pts below the national average of 6.7%
High cholesterol39.6% 3.4 pts above the national average of 36.2%
Housing insecurity5.1% 8.7 pts below the national average of 13.8%
Independent living disability3.3% 5.1 pts below the national average of 8.4%
Lacks transport3.4% 5.8 pts below the national average of 9.2%
Loneliness28.2% 6.2 pts below the national average of 34.4%
Mammography use79.3% 3.4 pts above the national average of 75.9%
Poor mental health (14+ days)9.3% 7.5 pts below the national average of 16.8%
Mobility disability6.3% 7.7 pts below the national average of 14%
Poor physical health (14+ days)7.6% 5.9 pts below the national average of 13.5%
Self-care disability1.6% 2.4 pts below the national average of 4%
Utility shut-off threat2.7% 6.1 pts below the national average of 8.8%
Sleeps under 7 hours32.2% 4.2 pts below the national average of 36.4%
Stroke2.1% 1.3 pts below the national average of 3.4%
All natural teeth lost3.2% 9.8 pts below the national average of 13%
Vision disability2.4% 3.2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments458
People employed3,772
Annual payroll$204,583,000
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 71% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 5 census tracts this ZIP code covers
Expected annual loss83.7 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 wind95.6Very High at its worst in this ZIP code
Ice storm86.9Relatively High at its worst in this ZIP code
Drought85.7Relatively Low at its worst in this ZIP code
Hurricane85.2Relatively Moderate at its worst in this ZIP code
Winter weather84.9Relatively High at its worst in this ZIP code
River flooding83.5Very High at its worst in this ZIP code
Wildfire82.6Relatively Low at its worst in this ZIP code
Earthquake73.6Relatively Moderate at its worst in this ZIP code
Heat wave67.6Relatively Moderate at its worst in this ZIP code
Lightning58.1Relatively Moderate at its worst in this ZIP code
Landslide49.6Very Low at its worst in this ZIP code
Cold wave48.2Relatively Moderate at its worst in this ZIP code
Tornado45.2Relatively Low at its worst in this ZIP code
Hail27.7Very 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$206,658$101,050$78,538
Income per person$97,510$53,118$43,289
Poverty rate2.5%9.8%12.4%
Median home value$758,900$427,600$303,400
Median gross rent$2,694$1,653$1,348
Homeownership76.3%63.7%65%
Bachelor's degree or higher84.5%42.9%35%
Unemployment rate3.1%6.2%5.2%
Works from home40.8%15%13.5%
Born outside the US44.7%23.5%13.9%
Median age45.140.138.7
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 US7.4 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 supermarket100% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
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%.

West Windsor-Plainsboro Regional School District100% 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 vulnerability11more vulnerable than 11% of US census tracts
Socioeconomic status6more vulnerable than 6% of US census tracts
Household characteristics23more vulnerable than 23% of US census tracts
Racial and ethnic minority status73more vulnerable than 73% of US census tracts
Housing type and transport15more vulnerable than 15% of US census tracts
Walkability6.8 out of 20Below average
Nearby ZIP codes

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

08690 Trenton, NJ3.7 km away
08619 Trenton, NJ4.7 km away
08543 Princeton, NJ5.4 km away
08601 Trenton, NJ5.4 km away
08602 Trenton, NJ5.4 km away
08603 Trenton, NJ5.4 km away
08604 Trenton, NJ5.4 km away
08605 Trenton, NJ5.4 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 area19.13 sq mi
Water area0.59 sq mi
Population density1,091 people per sq mi
Latitude, longitude40.2669, -74.6511

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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