Princeton Junction, NJ Profile: Facts, Map & Data


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Princeton Junction, New Jersey - Basic Facts

The Princeton Junction Census Designated Place had a population of 2,495 as of July 1, 2016.

The primary coordinate point for Princeton Junction is located at latitude 40.3233 and longitude -74.6212 in Mercer County. The formal boundaries for the Princeton Junction Census Designated Place (see map below) encompass a land area of 1.83 sq. miles and a water area of 0.03 sq. miles. Mercer County is in the Eastern time zone (GMT -5). The elevation is 85 feet.

The Princeton Junction Census Designated Place (GNIS ID: 2389708) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Princeton Junction Census Designated Place is located within Township of West Windsor, a minor civil division (MCD) of Mercer County.

Beneath the boundary map are tables with Princeton Junction population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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Princeton Junction Census Designated Place, NJ Boundary Map

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Boundary Maps: Township of West Windsor | Mercer County | New Jersey Counties

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Princeton Junction, NJ Data & Demographics (As of July 1, 2016)


Total Population 2,495
Population in Households 2,484
Population in Familes 2,169
Population in Group Qrtrs 11
Population Density1 1,366
Diversity Index2 53


Total Households 941
Average Household Size 2.64
Family Households 709
Average Family Size 3


Total Housing Units 964 (100%)
Owner Occupied HU 703 (72.9%)
Renter Occupied HU 238 (24.7%)
Vacant Housing Units 23 ( 2.4%)
Median Home Value $556,579
Average Home Value $527,991


Median Household Income $137,997
Average Household Income $180,809
Per Capita Income $68,471
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.19% 0.26%
Households 0.34% 0.36%
Families 0.3% 0.34%
Median Household Income   2.12%
Per Capita Income   2.07%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Princeton Junction, NJ - Peer Comparisons by Rank and Percentile

The table below compares Princeton Junction to the other 545 incorporated cities, towns and CDPs in New Jersey by rank and percentile using July 1, 2016 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 # 371 32nd
Population Density1 # 390 29th
Diversity Index2 # 193 65th
Median Household Income # 32 94th
Per Capita Income # 36 94th

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

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