South Amboy, NJ Profile: Facts, Map & Data


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South Amboy, New Jersey - Basic Facts

The City of South Amboy had a population of 8,758 as of July 1, 2016. South Amboy ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in New Jersey. See peer rankings below.

The primary coordinate point for South Amboy is located at latitude 40.4864 and longitude -74.2788 in Middlesex County. The formal boundaries for the City of South Amboy (see map below) encompass a land area of 1.55 sq. miles and a water area of 1.15 sq. miles. Middlesex County is in the Eastern time zone (GMT -5). The elevation is 118 feet.

The City of South Amboy (GNIS ID: 885399) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

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

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City of South Amboy, NJ Boundary Map

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


Total Population 8,758
Population in Households 8,758
Population in Familes 7,123
Population in Group Qrtrs 0
Population Density1 5,635
Diversity Index2 50


Total Households 3,399
Average Household Size 2.58
Family Households 2,270
Average Family Size 3


Total Housing Units 3,633 (100%)
Owner Occupied HU 2,094 (57.6%)
Renter Occupied HU 1,305 (35.9%)
Vacant Housing Units 234 ( 6.4%)
Median Home Value $282,644
Average Home Value $339,553


Median Household Income $64,453
Average Household Income $79,515
Per Capita Income $30,860
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.23% 0.45%
Households 0.13% 0.39%
Families 0.1% 0.37%
Median Household Income   1.98%
Per Capita Income   1.53%
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.

South Amboy, NJ - Peer Comparisons by Rank and Percentile

The table below compares South Amboy 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 # 162 70th
Population Density1 # 91 83rd
Diversity Index2 # 219 60th
Median Household Income # 360 34th
Per Capita Income # 384 30th

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

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