Iselin, NJ Profile: Facts, Map & Data


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Iselin, New Jersey - Basic Facts

The Iselin Census Designated Place had a population of 19,250 as of July 1, 2016. Iselin ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in New Jersey. See peer rankings below.

The primary coordinate point for Iselin is located at latitude 40.5693 and longitude -74.3211 in Middlesex County. The formal boundaries for the Iselin Census Designated Place (see map below) encompass a land area of 3.19 sq. miles and a water area of 0 sq. miles. Middlesex County is in the Eastern time zone (GMT -5). The elevation is 66 feet.

The Iselin Census Designated Place (GNIS ID: 2389973) 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 Iselin Census Designated Place is located within Township of Woodbridge, a minor civil division (MCD) of Middlesex County.

Beneath the boundary map are tables with Iselin 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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Iselin Census Designated Place, NJ Boundary Map

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Boundary Maps: Township of Woodbridge | Middlesex County | New Jersey Counties

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


Total Population 19,250
Population in Households 19,246
Population in Familes 17,053
Population in Group Qrtrs 4
Population Density1 6,035
Diversity Index2 67


Total Households 6,534
Average Household Size 2.95
Family Households 4,945
Average Family Size 3


Total Housing Units 6,855 (100%)
Owner Occupied HU 4,221 (61.6%)
Renter Occupied HU 2,313 (33.7%)
Vacant Housing Units 321 ( 4.7%)
Median Home Value $311,640
Average Home Value $315,701


Median Household Income $86,435
Average Household Income $102,576
Per Capita Income $34,957
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.47% 0.6%
Households 0.22% 0.46%
Families 0.17% 0.46%
Median Household Income   3.02%
Per Capita Income   1.75%
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.

Iselin, NJ - Peer Comparisons by Rank and Percentile

The table below compares Iselin 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 # 53 90th
Population Density1 # 78 86th
Diversity Index2 # 110 80th
Median Household Income # 197 64th
Per Capita Income # 313 43rd

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

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