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zipcodes.pro — CITY/NJ/PRINCETON-JUNCTION

Princeton Junction ZIP code, New Jersey

The ZIP code for Princeton Junction, NJ is 08550, and its area codes are 609 and 640.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
2,025
Area codes
609, 640

NANPA lists no telephone rate centre for Princeton Junction itself, so these are the area codes of the nearest one, Plainsboro (4.1 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Princeton Junction uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Princeton Junction in numbers

About 2,025 people live in Princeton Junction, in 795 households. The median household income is $224,732 a year, 2.2 times the New Jersey median of $103,556 (US: $80,734). The median owner-occupied home is valued at $709,800 (56% above the New Jersey median), and median gross rent is $1,661 a month. The median age is 44.3; 78.9% of adults 25 and over hold a bachelor's degree or higher (43.6% across New Jersey); the average commute takes 28 minutes.

Population2,025Princeton Junction2,025
Households795Princeton Junction795
Median age44.3Princeton Junction44.3New Jersey40.1US 38.9
Median household income$224,732Princeton Junction$224,732New Jersey$103,556US $80,734
Median home value$709,800Princeton Junction$709,800New Jersey$454,400US $332,700
Median gross rent$1,661Princeton Junction$1,661New Jersey$1,720US $1,413
Bachelor's degree or higher78.9%Princeton Junction78.9%New Jersey43.6%US 35.7%
Mean commute27.9 minPrinceton Junction27.9 minNew Jersey30.5 minUS 26.4 min
Population density1,111 / sq miPrinceton Junction1,111 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Princeton Junction CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Princeton Junction

ZIP codes with the USPS city name Princeton Junction
ZIP City Type Population Median income Median home
08550 Princeton Junction , NJ Standard 21,067 $224,213 $807,200

Other ZIP codes overlapping Princeton Junction

These ZIP codes cover part of Princeton Junction but are addressed as somewhere else.

ZIP codes overlapping Princeton Junction
ZIP City Type Population Median income Median home
08540 Princeton , NJ Standard 50,388 $176,983 $767,900

Map of Princeton Junction ZIP codes

08550

The ZIP codes of Princeton Junction, NJ, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Princeton Junction

The nearest larger towns are Plainsboro Center (2,773 people, 1.7 mi), Princeton Meadows (15,561 people, 3.1 mi) and Princeton (30,756 people, 3.4 mi).

Towns near Princeton Junction
TownPopulationDistance
Plainsboro Center 2,773 1.7 mi
Princeton Meadows 15,561 3.1 mi
Princeton 30,756 3.4 mi
Monmouth Junction 9,141 5.0 mi
Heathcote 7,717 5.2 mi
Lawrenceville 3,924 6.3 mi
Hightstown 5,920 6.3 mi
Hamilton Square 11,622 6.9 mi
Kendall Park 10,011 7.0 mi
Mercerville 13,535 7.1 mi
Dayton 7,952 7.1 mi
Robbinsville Center 3,777 7.1 mi
Twin Rivers 8,382 8.0 mi
Rossmoor 3,350 8.0 mi

More nearby: every ZIP code in Mercer County · New Jersey ZIP codes

Cite this page

zipcodes.pro. “Princeton Junction, NJ ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nj/princeton-junction

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