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 2025 population of 6,744. Green Knoll is currently growing at a rate of 0.54% annually and its population has increased by 4.69% since the most recent census, which recorded a population of 6,442 in 2020.

The average household income in Green Knoll is $176,423 with a poverty rate of 2.9%. The median age in Green Knoll is 44.1 years: 41.7 years for males, and 45.5 years for females.

Demographics

The racial composition of Green Knoll includes 64.38% White, 23.84% Asian, 3.84% Black or African American, and smaller percentages for other race, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

White

Asian

Two or more races

Black or African American

Other race

Native Hawaiian or Pacific Islander

Native American

Race	Population	Percentage (of total)
White	4,290	64.38%
Asian	1,589	23.84%
Two or more races	366	5.49%
Black or African American	256	3.84%
Other race	156	2.34%
Native Hawaiian or Pacific Islander	7	0.11%
Native American	0	0%

Green Knoll Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Green Knoll's average per capita income is $91,150. Household income levels show a median of $156,630. The poverty rate stands at 2.9%.

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	$210,038	-
Families	$205,774	$231,222
Households	$156,630	$176,423
Non Families	$46,518	$73,520

$91,150

Average Income

$156,630

Median Household Income

2.9%

Poverty Rate