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Green Knoll, NJ Profile: Facts & Data

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Green Knoll, New Jersey - Basic Facts

The Green Knoll Census Designated Place had a population of 6,347 as of July 1, 2020.

The primary coordinate point for Green Knoll is located at latitude 40.6001 and longitude -74.6121 in Somerset County. The formal boundaries for the Green Knoll Census Designated Place encompass a land area of 4.71 sq. miles and a water area of 0 sq. miles. Somerset County is in the Eastern time zone (GMT -5). The elevation is 151 feet.

The Green Knoll Census Designated Place (GNIS ID: 2583993) 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 Green Knoll Census Designated Place is located within Township of Bridgewater, a minor civil division (MCD) of Somerset County.


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Green Knoll, NJ Data & Demographics (As of July 1, 2020)

POPULATION

Total Population 6,347 (100%)
Population in Households 6,176 (97.3%)
Population in Families 5,306 (83.6%)
Population in Group Quarters1 171 ( 2.7%)
Population Density 1,348
Diversity Index2 52
 
 

INCOME

Median Household Income $141,297
Average Household Income $170,538
% of Income for Mortgage4 15%
Per Capita Income $65,257
Wealth Index5 252
 

HOUSING

Total HU (Housing Units) 2,564 (100%)
Owner Occupied HU 1,848 (72.1%)
Renter Occupied HU 602 (23.5%)
Vacant Housing Units 115 ( 4.5%)
Median Home Value $514,094
Average Home Value $551,569
Housing Affordability Index3 142
 

HOUSEHOLDS

Total Households 2,449
Average Household Size 2.52
Family Households 1,698
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 races 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 % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. 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

 2010-2020 2020-2025
Population 0.23% -0.06%
Households 0.03% -0.12%
Families 0.41% -0.14%
Median Household Income   1.73%
Per Capita Income   1.99%
Owner Occupied HU   0.05%

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Green Knoll, NJ - Peer Comparisons by Rank and Percentile

The table below compares Green Knoll to the other 545 incorporated cities, towns and CDPs in New Jersey by rank and percentile using July 1, 2020 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 # 223 59th
Population Density # 392 28th
Median Household Income # 68 88th
Housing Affordability Index # 372 68th
Per Capita Income # 87 84th
Diversity Index # 222 59th

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

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