Green Knoll Flag

Green Knoll

County:
Somerset County
County Seat:
No
Area (mi²):
4.635
State:
New Jersey

Green Knoll is a CDP located in Somerset County, New Jersey. Green Knoll has a 2026 population of 6,771. Green Knoll is currently growing at a rate of 0.53% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Green Knoll is $165,227 with a poverty rate of 3.27%. The median age in Green Knoll is 44.5 years: 43.2 years for males, and 46.5 years for females. For every 100 females there are 82.7 males.

6.8K
Total Population
1,461
Density (mi²)
36 0.53%
Growth

Green Knoll Population

Green Knoll Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20266,771360.53%
20256,735350.52%

Median Age

Overall: 44.5 years
Female: 46.5 years
Male: 43.2 years

Green Knoll Adults

There are 5,455 adults, (1,661 of whom are seniors) in Green Knoll.

Sex Ratio

Female: 3,716 (54.7%)
Male: 3,073 (45.3%)

Demographics

The racial composition of Green Knoll includes 64.37% White, 21.67% Asian, 4.89% Black or African American, and smaller percentages for other race, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White4,37064.37%
Asian1,47121.67%
Two or more races4106.04%
Black or African American3324.89%
Other race1972.9%
Native Hawaiian or Pacific Islander90.13%
Race
Population ↓
Percentage (of total)
Two or more races2493.67%
Other race1191.75%
White490.72%
Black or African American20.03%
Race
Population ↓
Percentage (of total)
White4,32163.65%
Asian1,47121.67%
Black or African American3304.86%
Two or more races1612.37%
Other race781.15%
Native Hawaiian or Pacific Islander90.13%

Green Knoll Marital Status

Economics and Income Statistics

Green Knoll 's average per capita income is $89,487. Household income levels show a median of $165,227. The poverty rate stands at 3.27%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$216,993-
Families$213,750$236,693
Households$165,227$186,490
Non Families$47,308$84,868

$89,487

Average Income

$165,227

Median Household Income

3.27%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)