Princeton, NJ 08542 ZIP Code Profile

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Princeton, NJ

ZIP Code 08542: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Princeton, NJ 08542

  • ZIP Code Type: STANDARD
  • County: Mercer County
  • Centroid: Latitude 40.35, Longitude -74.661
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 878
  • PO Box Addresses: 279
  • Residential Addresses: 1,495
    • Multi-Family Addresses: 366
    • Single Family Addresses: 1,129

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

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Princeton, NJ 08542 Data & Demographics (As of July 1, 2018)


Total Population 4,083
Population in Households 3,995
Population in Familes 2,636
Population in Group Qrtrs 88
Population Density1 10,911
Diversity Index2 74


Median Household Income $108,350
Average Household Income $150,934
Per Capita Income $66,610


Total Housing Units 1,882 (100%)
Owner Occupied HU 591 (31.4%)
Renter Occupied HU 1,189 (63.2%)
Vacant Housing Units 102 ( 5.4%)
Median Home Value $552,344
Average Home Value $591,413


Total Households 1,780
Average Household Size 2.24
Family Households 867
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 2.66% 1.95%
Households 2.91% 2.06%
Families 2.75% 1.95%
Median Household Income   2.68%
Per Capita Income   3.29%

Princeton, NJ 08542 - Peer Comparisons by Rank and Percentile

The table below compares 08542 to the other 583 ZIP Codes in New Jersey by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 457 22nd
Population Density # 51 91st
Diversity Index # 89 85th
Median Household Income # 156 73rd
Per Capita Income # 72 88th

Additional comparisons and rankings can be made with a VERY EASY TO USE New Jersey Census Data Comparison Tool.

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