Green Knoll, New Jersey

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Population in 2010: 6,200.
Males: 2,845  (45.9%)
Females: 3,355  (54.1%)
Median resident age:

43.3 years
New Jersey median age:

39.8 years
Estimated median household income in 2017: $112,153
Green Knoll:

$112,153
NJ:

$80,088

Estimated per capita income in 2017: $52,785

Green Knoll CDP income, earnings, and wages data

Estimated median house or condo value in 2017: $424,900
Green Knoll:

$424,900
NJ:

$334,900

Mean prices in 2017: all housing units: $503,136; detached houses: $562,796; townhouses or other attached units: $339,259; in 2-unit structures: $253,368; in 3-to-4-unit structures: $247,493; in 5-or-more-unit structures: $253,010; mobile homes: $67,155

Median gross rent in 2017: $1,707.

March 2019 cost of living index in Green Knoll: 121.1 (high, U.S. average is 100)
Percentage of residents living in poverty in 2017: 4.8%
(4.4% for White Non-Hispanic residents, 29.2% for Black residents)
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  • Races in Green Knoll, NJ (2010)
    • 4,64775.0%White alone
    • 91314.7%Asian alone
    • 3776.1%Hispanic
    • 1802.9%Black alone
    • 711.1%Two or more races
    • 80.1%Other race alone
    • 40.06%American Indian alone

Races in Green Knoll detailed stats: ancestries, foreign born residents, place of birth

Recent articles from our blog. Our writers, many of them Ph.D. graduates or candidates, create easy-to-read articles on a wide variety of topics.

Ancestries: Italian (11.2%), American (8.4%), Irish (6.2%), Polish (6.0%), German (3.6%), Eastern European (2.6%).

Current Local Time: EST time zone

Elevation: 160 feet

1,521 residents are foreign born (3.5% Europe).

This place:

23.4%
New Jersey:

100.0%

Median real estate property taxes paid for housing units with mortgages in 2017: $9,145 (1.8%)
Median real estate property taxes paid for housing units with no mortgage in 2017: $9,146 (2.1%)

Nearest city with pop. 50,000+: Edison, NJ (13.0 miles , pop. 97,687).

Nearest city with pop. 200,000+: Newark, NJ (24.3 miles , pop. 273,546).

Nearest city with pop. 1,000,000+: Brooklyn, NY (34.8 miles , pop. 2,465,326).

Nearest cities:

Somerville borough, NJ (1.4 miles ),
Raritan borough, NJ (1.5 miles ),
Martinsville, NJ (1.7 miles ),
Finderne, NJ (1.8 miles ),
Bradley Gardens, NJ (1.8 miles ),
Manville borough, NJ (2.1 miles ),
Bound Brook borough, NJ (2.1 miles ),
Weston, NJ (2.2 miles )

Latitude: 40.60 N, Longitude: 74.61 W

Distribution of median household income in Green Knoll, NJ in 2017
Distribution of house value in Green Knoll, NJ in 2017
Unemployment in March 2019:
Here:

3.4%
New Jersey:

4.1%
Air pollution and air quality trends
(lower is better)
AQI CO NO2 SO2 Ozone PM2.5
Air Quality Index

Air Quality Index (AQI) level in 2018 was 91.9. This is worse than average.

City:

91.9
U.S.:

74.2
Carbon Monoxide Level

Carbon Monoxide (CO) [ppm] level in 2018 was 0.357. This is worse than average. Closest monitor was 2.1 miles away from the city center.

City:

0.357
U.S.:

0.267
Nitrogen Dioxide Level

Nitrogen Dioxide (NO2) [ppb] level in 2018 was 8.40. This is significantly worse than average. Closest monitor was 8.3 miles away from the city center.

City:

8.40
U.S.:

5.56
Sulfur Dioxide Level

Sulfur Dioxide (SO2) [ppb] level in 2018 was 0.220. This is significantly better than average. Closest monitor was 2.1 miles away from the city center.

City:

0.220
U.S.:

1.789
Ozone Level

Ozone [ppb] level in 2018 was 27.3. This is better than average. Closest monitor was 2.1 miles away from the city center.

City:

27.3
U.S.:

33.3
Particulate Matter Level

Particulate Matter (PM2.5) [µg/m3] level in 2018 was 8.21. This is about average. Closest monitor was 11.8 miles away from the city center.

City:

8.21
U.S.:

8.46

Tornado activity:

Green Knoll-area historical tornado activity is slightly above New Jersey state average. It is 23% smaller than the overall U.S. average.

On 10/18/1990, a category F3 (max. wind speeds 158-206 mph) tornado 11.7 miles away from the Green Knoll place center injured 8 people and caused between $500,000 and $5,000,000 in damages.

On 5/28/1973, a category F3 tornado 15.0 miles away from the place center caused between $50,000 and $500,000 in damages.

Earthquake activity:

Green Knoll-area historical earthquake activity is near New Jersey state average. It is 87% smaller than the overall U.S. average.

On 1/16/1994 at 01:49:16, a magnitude 4.6 (4.6 MB, 4.6 LG, Depth: 3.1 mi, Class: Light, Intensity: IV - V) earthquake occurred 77.3 miles away from the city center
On 10/7/1983 at 10:18:46, a magnitude 5.3 (5.1 MB, 5.3 LG, 5.1 ML, Class: Moderate, Intensity: VI - VII) earthquake occurred 232.3 miles away from the city center
On 1/16/1994 at 00:42:43, a magnitude 4.2 (4.2 MB, 4.0 LG, Depth: 3.1 mi) earthquake occurred 75.8 miles away from the city center
On 4/20/2002 at 10:50:47, a magnitude 5.2 (5.2 MB, 4.2 MS, 5.2 MW, 5.0 MW, Depth: 6.8 mi) earthquake occurred 272.7 miles away from the city center
On 8/26/2003 at 18:24:18, a magnitude 3.8 (3.8 LG, 3.5 ML, Depth: 1.9 mi, Class: Light, Intensity: II - III) earthquake occurred 25.9 miles away from the city center
On 9/25/1998 at 19:52:52, a magnitude 5.2 (4.8 MB, 4.3 MS, 5.2 LG, 4.5 MW, Depth: 3.1 mi) earthquake occurred 307.9 miles away from the city center
Magnitude types: regional Lg-wave magnitude (LG), body-wave magnitude (MB), local magnitude (ML), surface-wave magnitude (MS), moment magnitude (MW)

Natural disasters:

The number of natural disasters in Somerset County (25) is a lot greater than the US average (13).
Major Disasters (Presidential) Declared: 16
Emergencies Declared: 9

Causes of natural disasters: Floods: 7, Hurricanes: 7, Storms: 6, Heavy Rains: 4, Snowstorms: 3, Blizzards: 2, Water Shortages: 2, Winter Storms: 2, Tornado: 1, Wind: 1, Other: 2 (Note: some incidents may be assigned to more than one category).

Hospitals and medical centers near Green Knoll:

  • COMMUNITY VNA (Home Health Center, about 2 miles away; SOMERVILLE, NJ)
  • FRIENDS RETIREMENT CONCEPTS (Nursing Home, about 3 miles away; BRIDGEWATER, NJ)
  • SOMERSET MEDICAL CENTER Acute Care Hospitals (about 3 miles away; SOMERVILLE, NJ)
  • N J EASTERN STAR HOME (Nursing Home, about 3 miles away; BRIDGEWATER, NJ)
  • FELLOWSHIP VILLAGE - LTC (Nursing Home, about 5 miles away; BASKING RIDGE, NJ)
  • BRIDGEWAY CARE AND REHAB CENTER AT HILLSBOROUGH (Nursing Home, about 7 miles away; HILLSBOROUGH, NJ)
  • GREENBROOK MANOR CARE AND REHABILITATION CENTER (Nursing Home, about 8 miles away; GREEN BROOK, NJ)

Amtrak stations near Green Knoll:

  • 12 miles: NEW BRUNSWICK (FRENCH & ALBANY STS.) . Services: ticket office, fully wheelchair accessible, enclosed waiting area, public restrooms, public payphones, snack bar, ATM, free short-term parking, free long-term parking, call for car rental service, taxi stand, public transit connection.
  • 16 miles: METROPARK (ISELIN, 100 MIDDLESEX-ESSEX TPK.) . Services: ticket office, fully wheelchair accessible, enclosed waiting area, public restrooms, public payphones, paid short-term parking, call for car rental service, taxi stand, public transit connection.
  • 20 miles: PRINCETON JUNCTION (WALLACE RD.) . Services: ticket office, fully wheelchair accessible, enclosed waiting area, public restrooms, snack bar, paid short-term parking, paid long-term parking, call for car rental service, taxi stand, public transit connection.

Colleges/universities with over 2000 students nearest to Green Knoll:

  • Raritan Valley Community College (about 5 miles; Branchburg, NJ; Full-time enrollment: 5,735)
  • Rutgers University-New Brunswick (about 11 miles; New Brunswick, NJ; FT enrollment: 39,388)
  • Middlesex County College (about 15 miles; Edison, NJ; FT enrollment: 9,849)
  • Drew University (about 15 miles; Madison, NJ; FT enrollment: 2,272)
  • Fairleigh Dickinson University-College at Florham (about 16 miles; Madison, NJ; FT enrollment: 2,690)
  • Union County College (about 17 miles; Cranford, NJ; FT enrollment: 9,148)
  • Princeton University (about 18 miles; Princeton, NJ; FT enrollment: 6,897)

Public elementary/middle school in Green Knoll:

See full list of schools located in Green Knoll

Points of interest:

Click to draw/clear place borders

Notable locations in Green Knoll: Green Knoll Rescue Squad (A), Green Knoll Fire Company (B). Display/hide their locations on the map

Church in Green Knoll: Macedonia Church (A). Display/hide its location on the map

Somerset County has a predicted average indoor radon screening level greater than 4 pCi/L (pico curies per liter) - Highest Potential
Average household size:
This place:

2.5 people
New Jersey:

2.7 people

Percentage of family households:
This place:

66.7%
Whole state:

69.3%

Percentage of households with unmarried partners:
This place:

3.0%
Whole state:

5.9%


Likely homosexual households (counted as self-reported same-sex unmarried-partner households)
  • Lesbian couples: 0.4% of all households
  • Gay men: 0.2% of all households

People in group quarters in Green Knoll in 2010:

  • 159 people in nursing facilities/skilled-nursing facilities
  • 24 people in group homes intended for adults
  • 9 people in group homes for juveniles (non-correctional)
  • 6 people in emergency and transitional shelters (with sleeping facilities) for people experiencing homelessness

For population 15 years and over in Green Knoll:

Marital status in Green Knoll, NJ
  • Never married: 27.7%
  • Now married: 55.0%
  • Separated: 0.9%
  • Widowed: 10.2%
  • Divorced: 6.2%

For population 25 years and over in Green Knoll:

  • High school or higher: 93.8%
  • Bachelor's degree or higher: 58.2%
  • Graduate or professional degree: 27.0%
  • Mean travel time to work (commute): 24.9 minutes
Educational Attainment in 2017
School Enrollment by Level of School in 2017
Education Gini index (Inequality in education)
Here:

11.0
New Jersey average:

12.4

Travel time (in minutes) to work in 2017
Means of transportation to work in 2017 - Green Knoll
Presidential Elections Results

Graphs represent county-level data. Detailed 2008 Election Results

Religion statistics for Green Knoll, NJ (based on Somerset County data)

Religions Adherents in 2010
Religions Adherents - Change between 2000 and 2010
ReligionAdherentsCongregations
Catholic98,95129
Mainline Protestant27,47268
Other15,07833
Evangelical Protestant13,15853
Orthodox1,2006
Black Protestant1,0767
None166,509-
Source: Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E.Jones, Alexei Krindatch, Richie Stanley and Richard H.Taylor. 2012. 2010 U.S.Religion Census: Religious Congregations & Membership Study. Association of Statisticians of American Religious Bodies. Jones, Dale E., et al. 2002. Congregations and Membership in the United States 2000. Nashville, TN: Glenmary Research Center. Graphs represent county-level data

Food Environment Statistics:

Number of grocery stores: 69
Somerset County:

2.14 / 10,000 pop.
State:

2.90 / 10,000 pop.
Number of supercenters and club stores: 3
Somerset County:

0.09 / 10,000 pop.
New Jersey:

0.06 / 10,000 pop.
Number of convenience stores (no gas): 53
Somerset County:

1.65 / 10,000 pop.
New Jersey:

1.76 / 10,000 pop.
Number of convenience stores (with gas): 18
Here:

0.56 / 10,000 pop.
New Jersey:

0.81 / 10,000 pop.
Number of full-service restaurants: 256
Somerset County:

7.96 / 10,000 pop.
State:

7.15 / 10,000 pop.
Adult diabetes rate:
Here:

6.7%
New Jersey:

8.3%
Adult obesity rate:
This county:

20.4%
New Jersey:

23.3%
Low-income preschool obesity rate:
Somerset County:

24.0%
New Jersey:

18.0%

6.88% of this county's 2016 resident taxpayers lived in other counties in 2015 ($99,878 average adjusted gross income)

Here:

6.88%
New Jersey average:

5.43%

0.05% of residents moved from foreign countries ($2,109 average AGI)
Somerset County:

0.05%
New Jersey average:

0.04%

Top counties from which taxpayers relocated into this county between 2015 and 2016:
from Middlesex County, NJ  1.86% ($84,038 average AGI)
from Union County, NJ  0.79% ($77,768)
from Morris County, NJ  0.44% ($154,513)


7.61% of this county's 2015 resident taxpayers moved to other counties in 2016 ($110,999 average adjusted gross income)

Here:

7.61%
New Jersey average:

6.14%

0.10% of residents moved to foreign countries ($3,010 average AGI)
Somerset County:

0.10%
New Jersey average:

0.07%

Top counties to which taxpayers relocated from this county between 2015 and 2016:
to Middlesex County, NJ  1.35% ($54,961 average AGI)
to Union County, NJ  0.59% ($62,161)
to Hunterdon County, NJ  0.46% ($101,740)

Strongest AM radio stations in Green Knoll:

  • WMCA (570 AM; 50 kW; NEW YORK, NY; Owner: SALEM MEDIA OF NEW YORK, LLC)
  • WOR (710 AM; 50 kW; NEW YORK, NY; Owner: BUCKLEY BROADCASTING CORPORATION)
  • WWJZ (640 AM; 50 kW; MOUNT HOLLY, NJ; Owner: ABC, INC.)
  • WINS (1010 AM; 50 kW; NEW YORK, NY; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • WABC (770 AM; 50 kW; NEW YORK, NY; Owner: WABC-AM RADIO, INC.)
  • WWTR (1170 AM; daytime; 1 kW; BRIDGEWATER, NJ; Owner: THE SENTINEL PUBLISHING CO.)
  • WEPN (1050 AM; 50 kW; NEW YORK, NY; Owner: NEW YORK AM RADIO, LLC)
  • WBBR (1130 AM; 50 kW; NEW YORK, NY; Owner: BLOOMBERG COMMUNICATIONS INC.)
  • WADO (1280 AM; 50 kW; NEW YORK, NY; Owner: WADO-AM LICENSE CORP.)
  • WSNR (620 AM; 20 kW; JERSEY CITY, NJ)
  • WFAN (660 AM; 50 kW; NEW YORK, NY; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • WLIB (1190 AM; 30 kW; NEW YORK, NY; Owner: ICBC BROADCAST HOLDINGS-NY, INC.)
  • WCBS (880 AM; 50 kW; NEW YORK, NY; Owner: INFINITY BROADCASTING OPERATIONS, INC.)

Strongest FM radio stations in Green Knoll:

  • WAWZ (99.1 FM; ZAREPHATH, NJ; Owner: PILLAR OF FIRE)
  • WMGQ (98.3 FM; NEW BRUNSWICK, NJ; Owner: THE SENTINEL PUBLISHING CO.)
  • WRKS (98.7 FM; NEW YORK, NY; Owner: EMMIS RADIO LICENSE CORP OF NEW YORK)
  • WNEW (102.7 FM; NEW YORK, NY; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • WKXW-FM (101.5 FM; TRENTON, NJ; Owner: MILLENNIUM CENTRAL NEW JERSEY LICENSE HOLDCO, LLC)
  • WNYC-FM (93.9 FM; NEW YORK, NY; Owner: WNYC RADIO)
  • WPAT-FM (93.1 FM; PATERSON, NJ; Owner: WPAT LICENSING, INC.)
  • WQCD (101.9 FM; NEW YORK, NY; Owner: EMMIS RADIO LICENSE CORPORATION)
  • WNJT-FM (88.1 FM; TRENTON, NJ; Owner: NEW JERSEY PUBLIC BRD/CST AUTHORITY)
  • WKTU (103.5 FM; LAKE SUCCESS, NY; Owner: AMFM RADIO LICENSES, LLC)
  • WCAA (105.9 FM; NEWARK, NJ; Owner: WADO-AM LICENSE CORP. ("WADO"))
  • WBAI (99.5 FM; NEW YORK, NY; Owner: PACIFICA FOUNDATION, INC.)
  • WBLS (107.5 FM; NEW YORK, NY; Owner: ICBC BROADCAST HOLDINGS-NY, INC.)
  • WLTW (106.7 FM; NEW YORK, NY; Owner: AMFM NEW YORK LICENSES, LLC)
  • WQXR-FM (96.3 FM; NEW YORK, NY; Owner: THE NEW YORK TIMES ELECTRONIC MEDIA COMPANY)
  • WSKQ-FM (97.9 FM; NEW YORK, NY; Owner: WSKQ LICENSING, INC.)
  • WXRK (92.3 FM; NEW YORK, NY; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • WAXQ (104.3 FM; NEW YORK, NY; Owner: AMFM NEW YORK LICENSES, LLC)
  • WHTZ (100.3 FM; NEWARK, NJ; Owner: AMFM RADIO LICENSES, L.L.C.)
  • WWPR-FM (105.1 FM; NEW YORK, NY; Owner: AMFM RADIO LICENSES, L.L.C.)

TV broadcast stations around Green Knoll:

  • WNJB (Channel 58; NEW BRUNSWICK, NJ; Owner: NEW JERSEY PUBLIC BROADCASTING AUTHORITY)
  • WCBS-TV (Channel 2; NEW YORK, NY; Owner: CBS BROADCASTING INC.)
  • WNYW (Channel 5; NEW YORK, NY; Owner: FOX TELEVISION STATIONS, INC.)
  • WABC-TV (Channel 7; NEW YORK, NY; Owner: AMERICAN BROADCASTING COMPANIES, INC)
  • WPIX (Channel 11; NEW YORK, NY; Owner: WPIX, INC.)
  • WWOR-TV (Channel 9; SECAUCUS, NJ; Owner: FOX TELEVISION STATIONS, INC.)
  • WPXO-LP (Channel 34; EAST ORANGE, NJ; Owner: PAXSON COMMUNICATIONS LPTV, INC.)
  • W36AS (Channel 36; NEW BRUNSWICK, NJ; Owner: DEEPAK VISWANATH)
  • WLBX-LP (Channel 22; CRANFORD, NJ; Owner: RENARD COMMUNICATIONS CORP.)
  • WPXN-TV (Channel 31; NEW YORK, NY; Owner: PAXSON COMMUNICATIONS LICENSE COMPANY, LLC)
  • WNJT (Channel 52; TRENTON, NJ; Owner: NEW JERSEY PUBLIC BROADCASTING AUTHORITY)
  • WNBC (Channel 4; NEW YORK, NY; Owner: NATIONAL BROADCASTING COMPANY, INC.)
  • WNET (Channel 13; NEWARK, NJ; Owner: EDUCATIONAL BROADCASTING CORPORATION)
  • WXTV (Channel 41; PATERSON, NJ; Owner: WXTV LICENSE PARTNERSHIP, G.P.)
  • WNJU (Channel 47; LINDEN, NJ; Owner: WNJU LICENSE CORPORATION)
  • WFUT (Channel 68; NEWARK, NJ; Owner: UNIVISION NEW YORK LLC)
  • WNYE-TV (Channel 25; NEW YORK, NY; Owner: NEW YORK CITY BOARD OF EDUCATION)
  • W54CZ (Channel 54; MORRISTOWN, NJ; Owner: WLNY-TV, INC.)
  • WXNY-LP (Channel 32; NEW YORK, NY; Owner: ISLAND BROADCASTING COMPANY)
  • WKOB-LP (Channel 53; NEW YORK, NY; Owner: WKOB COMMUNICATIONS, INC.)
  • WEBR-CA (Channel 17; MANHATTAN, NY; Owner: K LICENSEE INC.)
  • WRNN-LP (Channel 57; NYACK, NY; Owner: LP NYACK LIMITED PARTNERSHIP)
  • WNJN (Channel 50; MONTCLAIR, NJ; Owner: NEW JERSEY PUBLIC B/CNG AUTHORITY)
  • WMBC-TV (Channel 63; NEWTON, NJ; Owner: MOUNTAIN BROADCASTING CORPORATION)
  • W60AI (Channel 60; NEW YORK, NY; Owner: VENTANA TELEVISION, INC.)
Green Knoll fatal accident statistics for 1975 - 2017
Fatal road traffic accident statistics for 1975 - 2017
See more detailed statistics of Green Knoll fatal car crashes and road traffic accidents for 1975 - 2017 here
  • National Bridge Inventory (NBI) Statistics
  • 90Number of bridges
  • 617ft / 188mTotal length
  • $31,445,000Total costs
  • 3,068,638Total average daily traffic
  • 279,965Total average daily truck traffic
  • 1,396,132Total future (year 2035) average daily traffic
New bridges in Green Knoll, NJ - historical statistics
  • New bridges - historical statistics
  • 11930-1939
  • 11940-1949
  • 31950-1959
  • 771960-1969
  • 11970-1979
  • 21980-1989
  • 21990-1999
  • 22000-2009
  • 12010-2018
See full National Bridge Inventory statistics for Green Knoll, NJ
Houses and condos Apartments
Most commonly used house heating fuel in houses and condos in Green Knoll, NJ
  • 84.4%Utility gas
  • 9.7%Electricity
  • 3.5%Fuel oil, kerosene, etc.
  • 1.4%Bottled, tank, or LP gas
  • 0.5%Solar energy
  • 0.4%Other fuel
Most commonly used house heating fuel in apartments in Green Knoll, NJ
  • 48.8%Utility gas
  • 46.6%Electricity
  • 2.6%No fuel used
  • 1.5%Fuel oil, kerosene, etc.
  • 0.5%Bottled, tank, or LP gas


Green Knoll compared to New Jersey state average:

  • Unemployed percentage significantly below state average.
  • Black race population percentage significantly below state average.
  • Hispanic race population percentage significantly below state average.
  • Median age above state average.
  • Foreign-born population percentage significantly above state average.
  • Length of stay since moving in significantly above state average.
  • House age significantly below state average.
  • Institutionalized population percentage above state average.
  • Percentage of population with a bachelor's degree or higher above state average.

Green Knoll on our top lists:

  • #62 on the list of "Top 101 cities with the most residents born in Egypt (population 500+)"
  • #67 on the list of "Top 101 cities with largest percentage of females in occupations: management occupations (population 5,000+)"
  • #92 on the list of "Top 101 cities with the most residents born in Panama (population 500+)"
  • #12 on the list of "Top 101 counties with the highest percentage of residents that visited a dentist within the past year"
  • #16 on the list of "Top 101 counties with the best general health status score of residents (1-5), 3 years of data"
  • #16 on the list of "Top 101 counties with the largest decrease in the number of births per 1000 residents 2000-2006 to 2007-2013 (pop 50,000+)"
  • #27 on the list of "Top 101 counties with the lowest percentage of residents that keep firearms around their homes"
  • #34 on the list of "Top 101 counties with the largest number of children under 18 without health insurance coverage in 2000 (pop. 50,000+)"
Cost of Living Calculator