Green Knoll is a CDP located in Somerset County New Jersey. Green Knoll has a 2024 population of 6,708. Green Knoll is currently growing at a rate of 0.55% annually and its population has increased by 4.13% 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 age in Green Knoll is 44.6 years: 41.5 years for males, and 46.2 years for females.
According to the most recent ACS, the racial composition of Green Knoll was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,349 | 65.55% |
| Asian | 1,619 | 24.4% |
| Black or African American | 361 | 5.44% |
| Two or more races | 223 | 3.36% |
| Other race | 77 | 1.16% |
| Native Hawaiian or Pacific Islander | 6 | 0.09% |
| Native American | 0 | 0% |
White
Asian
Black or African American
Two or more races
Other race
Native Hawaiian or Pacific Islander
Native American
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 2,358 | 2.72 | 75 | 25 |
| Married | 1,409 | 3.47 | 90.3 | 9.7 |
| Non Family | 774 | 1.09 | 49.1 | 50.9 |
| Female | 132 | 3.24 | 59.8 | 40.2 |
| Male | 43 | 5.77 | 86 | 14 |
3.47
Average Family Size
2.72
Average Household Size
75.0%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 84 | 1.78% |
| Associates Degree | 178 | 3.77% |
| Bachelors Degree | 1,659 | 35.1% |
| Graduate Degree | 1,172 | 24.79% |
| High School Graduate | 1,079 | 22.83% |
| Less Than 9th Grade | 105 | 2.22% |
| Some College | 450 | 9.52% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 2,926 | 2,843 | 1,518 |
| Asian | 1,112 | 1,095 | 967 |
| Hispanic | 370 | 297 | 141 |
| Black | 276 | 260 | 150 |
| 2+ Races | 178 | 178 | 143 |
| Other Race | 52 | 44 | 12 |
| Islander | 6 | 6 | 6 |
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%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $94,357 | $127,614 | $82,981 |
| Graduate Degree | $112,250 | $132,708 | $90,417 |
| High School Graduate | $49,070 | $67,561 | $18,250 |
| Less Than 9th Grade | $38,504 | $38,789 | $0 |
| Overall | $86,029 | $105,667 | $66,375 |
| Some College | $68,009 | $71,793 | $36,898 |
$86,029
Average Earnings
$105,667
Average Male
$66,375
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
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.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 3,967 | 162 | 4.08% |
| Asian | 1,618 | 79 | 4.88% |
| Black | 331 | 19 | 5.74% |
| Multiple | 223 | 17 | 7.62% |
| Hispanic | 521 | 12 | 2.3% |
4.31%
Overall Poverty Rate
2.81%
Male Poverty Rate
5.56%
Female Poverty Rate
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%.
rate
Rate | Poverty |
|---|---|
| High School | 13.97% |
| Some College | 4.85% |
| Bachelors or Greater | 3.86% |
| Less Than 9th Grade | 0% |
rate
Rate | Poverty |
|---|---|
| Female Employed | 1.56% |
| Male Employed | 0% |
| Male Unemployed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $190,725 | $206,605 |
| Households | $149,228 | $164,205 |
| Married Families | $193,403 | $-999,999,999 |
| Non Families | $39,823 | $71,791 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
54.8%
Overall Marriage Rate
62.0%
Male Marriage Rate
49.0%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
126
Number of Veterans
102
Male Veterans
24
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 58 |
| Second Gulf War | 26 |
| First Gulf War | 10 |
| Korea | 9 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 75+ | 76 |
| 65 to 74 | 18 |
| 35 to 54 | 13 |
| 18 to 34 | 11 |
| 55 to 64 | 8 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 113 | 3.24% |
| Hispanic | 14 | 3.62% |
| Black | 8 | 2.56% |
| Asian | 5 | 0.44% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
11.86%
Veteran Poverty Rate
32.2%
Veteran Disability Rate
LaborForceParticipation
64.9%
Labor Force Participation
62.9%
Employment Rate
3.1%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
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
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.
Year | Population | Growth | Change |
|---|---|---|---|
| 2024 | 6,708 | 37 | 0.55% |
| 2023 | 6,671 | 36 | 0.54% |
| 2022 | 6,635 | 155 | 2.39% |
| 2021 | 6,480 | 38 | 0.59% |
| 2020 | 6,442 | -189 | -2.85% |
| 2019 | 6,631 | -89 | -1.32% |
| 2018 | 6,720 | 106 | 1.6% |
| 2017 | 6,614 | 178 | 2.77% |
| 2016 | 6,436 | 33 | 0.52% |
| 2015 | 6,403 | 449 | 7.54% |
| 2014 | 5,954 | 433 | 7.84% |
| 2013 | 5,521 | -148 | -2.61% |
| 2012 | 5,669 | -48 | -0.84% |
| 2011 | 5,717 | -483 | -7.79% |
| 2010 | 6,200 | 0 | 0% |