Green Knoll, New Jersey Population 2024

6,828

Green Knoll is a city located in Somerset County New Jersey. Green Knoll has a 2024 population of 6,828. Green Knoll is currently growing at a rate of 1.44% annually and its population has increased by 5.99% since the most recent census, which recorded a population of 6,442 in 2020.

The average household income in Green Knoll is $164,205 with a poverty rate of 4.31%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Green Knoll is 44.6 years, 41.5 years for males, and 46.2 years for females.

Green Knoll Demographics

According to the most recent ACS, the racial composition of Green Knoll was:

  • White: 65.55%
  • Asian: 24.4%
  • Black or African American: 5.44%
  • Two or more races: 3.36%
  • Other race: 1.16%
  • Native Hawaiian or Pacific Islander: 0.09%
  • Native American: 0%
Land Area (mi²)
4.6 sq mi
Density (mi²)
1,473.10/sq mi
Growth Since 2020
5.99% (386)
The current population of Green Knoll, New Jersey is 6,828 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 6,442.

Green Knoll, New Jersey Population 2024

Population by Race

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Race
Population
Percentage (of total)
White4,34965.55%
Asian1,61924.4%
Black or African American3615.44%
Two or more races2233.36%
Other race771.16%
Native Hawaiian or Pacific Islander60.09%
Native American00%

White

Asian

Black or African American

Two or more races

Other race

Native Hawaiian or Pacific Islander

Native American

Green Knoll Population by Race

Green Knoll Population Pyramid 2024

Green Knoll Median Age

44.6

Total

41.5

Male

46.2

Female

Green Knoll Adults

There are 5,208 adults, (1,518 of whom are seniors) in Green Knoll.

Green Knoll Age Dependency

79.8

Age Dependency Ratio

41.1

Old Age Dependency Ratio

38.7

Child Dependency Ratio

Green Knoll Sex Ratio

Female3,64154.88%
Male2,99445.12%

Green Knoll Population by Age

Green Knoll Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2,3582.727525
Married1,4093.4790.39.7
Non Family7741.0949.150.9
Female1323.2459.840.2
Male435.778614

3.47

Average Family Size

2.72

Average Household Size

75.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Green Knoll Households and Families

Male

Female

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Education Attained
Count
Percentage
Less Than 9th Grade1052.22%
9th to 12th Grade841.78%
High School Graduate1,07922.83%
Some College4509.52%
Associates Degree1783.77%
Bachelors Degree1,65935.1%
Graduate Degree1,17224.79%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Green Knoll Educational Attainment by Sex (over 25)

Green Knoll Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White2,9262,8431,518
Asian1,1121,095967
Hispanic370297141
Black276260150
2+ Races178178143
Other Race524412
Islander666

The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among islander people with a rate of 100%.

Green Knoll Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Overall$86,029$105,667$66,375
Less Than 9th Grade$38,504$38,789$0
High School Graduate$49,070$67,561$18,250
Some College$68,009$71,793$36,898
Bachelors Degree$94,357$127,614$82,981
Graduate Degree$112,250$132,708$90,417

$86,029

Average Earnings

$105,667

Average Male

$66,375

Average Female

Green Knoll Earnings by Educational Attainment

Green Knoll Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Green Knoll Language

68.8% of Green Knoll residents speak only English, while 31.2% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 15.7% of the population.

Green Knoll Language

Green Knoll Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White3,9671624.08%
Asian1,618794.88%
Black331195.74%
Multiple223177.62%
Hispanic521122.3%

4.31%

Overall Poverty Rate

2.81%

Male Poverty Rate

5.56%

Female Poverty Rate

Poverty in Green Knoll

The race most likely to be in poverty in Green Knoll is Multiple, with 7.62% below the poverty level.

The race least likely to be in poverty in Green Knoll is Hispanic, with 2.3% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.72%. Among those working part-time, it was 0.6%, and for those that did not work, the poverty rate was 15.98%.

Green Knoll Poverty

rate

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Rate
Poverty
High School13.97%
Some College4.85%
Bachelors or Greater3.86%
Less Than 9th Grade0%

Green Knoll Poverty Rate by Education

rate

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Rate
Poverty
Female Employed1.56%
Male Employed0%
Male Unemployed0%
Female Unemployed0%

Green Knoll Poverty Rate by Employment Status and Sex

Green Knoll Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Households$149,228$164,205
Families$190,725$206,605
Married Families$193,403$-999,999,999
Non Families$39,823$71,791

mean

median

Income by Household Type

Green Knoll Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

54.8%

Overall Marriage Rate

62.0%

Male Marriage Rate

49.0%

Female Marriage Rate

Green Knoll Married by Age and Sex

male

female

Green Knoll Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Green Knoll Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Green Knoll Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

126

Number of Veterans

102

Male Veterans

24

Female Veterans

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War
Veterans
Vietnam58
Second Gulf War26
First Gulf War10
Korea9
World War II0

Green Knoll Veterans by War

count

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Age Group
Veterans
75+76
65 to 7418
35 to 5413
18 to 3411
55 to 648

Green Knoll Veterans by Age

count

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Name
Veterans
% of Total
White1133.24%
Hispanic143.62%
Black82.56%
Asian50.44%

Green Knoll Veterans by Race

Green Knoll Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

11.86%

Veteran Poverty Rate

32.2%

Veteran Disability Rate

Green Knoll Veterans by Education

LaborForceParticipation

64.9%

Labor Force Participation

62.9%

Employment Rate

3.1%

Unemployment Rate

Green Knoll Employment by Age

LaborForceParticipation

Green Knoll Employment by Race

LaborForceParticipation

Green Knoll Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

58.13%

Born in Green Knoll

76.97%

Native Born

23.03%

Foreign Born

6.62%

Non Citizen

16.41%

Naturalized

Place of Birth

76.97% of Green Knoll residents were born in the United States, with 58.13% having been born in New Jersey. 6.62% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Green Knoll Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20246,828971.44%
20236,731961.45%
20226,6351552.39%
20216,480380.59%
20206,442-189-2.85%
20196,631-89-1.32%
20186,7201061.6%
20176,6141782.77%
20166,436330.52%
20156,4034497.54%
20145,9544337.84%
20135,521-148-2.61%
20125,669-48-0.84%
20115,717-483-7.79%
20106,20000%

Green Knoll Population by Year