East Rocky Hill CDP, NJ Profile: Facts & Data

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East Rocky Hill CDP, New Jersey - Basic Facts

The East Rocky Hill Census Designated Place had a population of 507 as of July 1, 2019. East Rocky Hill CDP 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 East Rocky Hill CDP is located at latitude 40.4079 and longitude -74.6128 in Somerset County. The formal boundaries for the East Rocky Hill Census Designated Place encompass a land area of 4.16 sq. miles and a water area of 0.09 sq. miles.

The East Rocky Hill Census Designated Place (GNIS ID: 2583986) has a U2 Census Class Code which indicates a census designated place without an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The East Rocky Hill Census Designated Place is located within Township of Franklin, a minor civil division (MCD) of Somerset County.


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  1. East Rocky Hill CDP 2019 Demographic Data
  2. Growth Rates for East Rocky Hill CDP (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. New Jersey Research Tools (Easy Tools & Current Data)
  3. New Jersey Data Comparison Tool - 2019 Demographics

East Rocky Hill CDP, NJ - Most Popular Things to Do

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2019, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


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East Rocky Hill CDP, NJ Data & Demographics (As of July 1, 2019)

HOUSING AFFORDABILITY INDEX

East Rocky Hill CDP, NJ Housing Affordability Index is 142
State of New Jersey Housing Affordability Index is 91
The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.

WEALTH INDEX

East Rocky Hill CDP, NJ Wealth Index is 334
State of New Jersey Wealth Index is 148
The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.

These new demographic attributes are availiable for Neighborhoods, Cities, Counties, and ZIP Codes.

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  4. See the References & Data Sources page for more information about methodology and sources of data.
  5. See the New Jersey COVID-19 Data and US COVID-19 Data for more information on the spread of the novel coronavirus.

POPULATION

Total Population 507 (100%)
Population in Households 506 (99.8%)
Population in Families 454 (89.5%)
Population in Group Quarters1 1 ( 0.2%)
Population Density 122
Diversity Index2 70
 

INCOME

Median Household Income $157,811
Average Household Income $225,112
Per Capita Income $73,345
Wealth Index4 334

HOUSING

Total Housing Units 177 (100%)
Owner Occupied HU 143 (80.8%)
Renter Occupied HU 23 (13.0%)
Vacant Housing Units 10 ( 5.6%)
Median Home Value $590,659
Housing Affordability Index3 142
 

HOUSEHOLDS

Total Households 167
Average Household Size 3.03
Family Households 132
Average Family Size 3
NOTES
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.

GROWTH RATE / YEAR

2010-2019 2019-2024
Population 0.85% 0.58%
Households 0.46% 0.36%
Families 1.5% 0.45%
Median Household Income   0.92%
Per Capita Income   1.32%

East Rocky Hill CDP, NJ - Peer Comparisons by Rank and Percentile

The table below compares East Rocky Hill CDP to the other 545 incorporated cities, towns and CDPs in New Jersey by rank and percentile using July 1, 2019 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 # 498 9th
Population Density # 536 2nd
Diversity Index # 101 82nd
Median Household Income # 41 93rd
Per Capita Income # 55 90th

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

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