Williamstown, NJ Profile: Facts, Map & Data


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Williamstown, New Jersey - Basic Facts

The Williamstown Census Designated Place is a populated place located in Gloucester County at latitude 39.6841 and longitude -74.9688. Gloucester County is in the Eastern time zone (GMT -5). The elevation is 144 feet.

The formal official name is the Williamstown Census Designated Place, but most people and references simply refer to it as Williamstown, New Jersey.

The Census Class Code for Williamstown indicates a . The Census Designated Place has a Functional Status Code "S" which identifies a statistical entity.

The formal boundaries for the Williamstown Census Designated Place (see map below) encompass a land area of 7.42 sq. miles and a water area of 0 sq. miles.

Alternate Unofficial Names for Williamstown: Squankum, Squankum Neck, Squankum Village, Williams Town.

Williamstown Census Designated Place, NJ Boundary Map


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Boundary Maps: Township of Monroe | Gloucester County | New Jersey Counties

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Williamstown, NJ Data & Demographics (As of July 1, 2014)


Total Population 15,738
Population in Households 15,582
Population in Familes 13,239
Population in Group Qrtrs 156
Population Density1 2,121
Diversity Index2 44


Total Households 5,640
Average Household Size 2.76
Family Households 4,039
Average Family Size 3


Total Housing Units 5,956 (100%)
Owner Occupied HU 4,165 (69.9%)
Renter Occupied HU 1,475 (24.8%)
Vacant Housing Units 316 ( 5.3%)
Median Home Value $297,888
Average Home Value $330,749


Median Household Income $65,817
Average Household Income $77,909
Per Capita Income $28,318
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.26% 0.23%
Households 0.2% 0.18%
Families 0.02% 0.16%
Median Household Income   3.06%
Per Capita Income   2.56%
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.


Williamstown, NJ - Peer Comparisons by Rank and Percentile

The table below compares Williamstown to the other 545 incorporated cities, towns and CDPs in New Jersey by rank and percentile using July 1, 2014 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 # 68 88th
Population Density1 # 318 42nd
Diversity Index2 # 236 57th
Median Household Income # 327 40th
Per Capita Income # 409 25th

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