Griggstown, NJ Profile: Facts, Map & Data


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Griggstown, New Jersey - Basic Facts

The Griggstown Census Designated Place had a population of 856 as of July 1, 2017. Griggstown ranks in the lower quartile for Population Density and the upper quartile for 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 Griggstown is located at latitude 40.4399 and longitude -74.5983 in Somerset County. The formal boundaries for the Griggstown Census Designated Place (see map below) encompass a land area of 2.45 sq. miles and a water area of 0.07 sq. miles. Somerset County is in the Eastern time zone (GMT -5). The elevation is 39 feet.

The Griggstown Census Designated Place (GNIS ID: 2583995) 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 Griggstown Census Designated Place is located within Township of Franklin, a minor civil division (MCD) of Somerset County.

Beneath the boundary map are tables with Griggstown population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Griggstown Census Designated Place, NJ Boundary Map

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Boundary Maps: Township of Franklin | Somerset County | New Jersey Counties

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Griggstown, NJ Data & Demographics (As of July 1, 2017)


Total Population 856
Daytime Population: Workers 232
Daytime Population: Residents 421
Total Daytime Population (TDP) 653
Ratio TDP/Total Population1 0.76
Population in Households 850
Population in Familes 750
Population in Group Qrtrs 6
Population Density2 350
Diversity Index3 71


Median Household Income $120,849
Average Household Income $183,583
Per Capita Income $61,570


Total Housing Units 372 (100%)
Owner Occupied HU 285 (76.6%)
Renter Occupied HU 68 (18.3%)
Vacant Housing Units 19 ( 5.1%)
Median Home Value $507,172
Average Home Value $517,895


Total Households 353
Average Household Size 2.41
Family Households 270
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 0.61% 0.55%
Households 0.28% 0.39%
Families 2.24% 0.37%
Median Household Income   2.16%
Per Capita Income   2.15%

Griggstown, NJ - Peer Comparisons by Rank and Percentile

The table below compares Griggstown to the other 545 incorporated cities, towns and CDPs in New Jersey by rank and percentile using July 1, 2017 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 # 472 14th
Population Density # 514 6th
Diversity Index # 83 85th
Median Household Income # 71 87th
Per Capita Income # 73 87th

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

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