Green Knoll

Population: 6,664
Median household income: $156,630
Median home value: $581,600

Green Knoll, a community in Somerset County, New Jersey, has 6,664 residents. Its median household income of $156,630 runs above the Somerset County figure of $135,960.

Between 2019 and 2023, Green Knoll's population held roughly steady from 6,631 to 6,664, while its median home value rose 20.5% from $482,500 to $581,600.

Owners occupy 75.9% of the area's occupied homes. The median resident is 44.1 years old.

Demographics

ACS 2019–2023

Population: 6,664
Median age: 44.1 yrs
Median household income: $156,630
Median home value: $581,600
Median gross rent: $1,417
Housing units: 2,458
Homeownership rate: 75.9%
Bachelor's degree or higher: 58.4%
Unemployment rate: 4.2%

Trends

ACS 5-year · 2019–2023

Population

6,6316,664

Median household income

$118,016$156,630

Median home value

$482,500$581,600

Median gross rent

$1,161$1,417

Year	Population	Median household income	Median home value	Median gross rent
2019	6,631	$118,016	$482,500	$1,161
2020	6,442	$130,076	$478,800	$1,239
2021	6,480	$136,034	$480,500	$1,318
2022	6,635	$149,228	$539,500	$1,515
2023	6,664	$156,630	$581,600	$1,417

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 54.6%

5 to 1717.1%

18 to 247.6%

25 to 349.2%

35 to 4413.6%

45 to 5411.8%

55 to 6413.3%

65 to 7410.4%

75 and over12.3%

	Count	Share
Under 5	307	4.6%
5 to 17	1,142	17.1%
18 to 24	506	7.6%
25 to 34	614	9.2%
35 to 44	907	13.6%
45 to 54	786	11.8%
55 to 64	887	13.3%
65 to 74	692	10.4%
75 and over	823	12.3%

Race & ethnicity

	Count	Share
White (non-Hispanic)	4,129	62.0%
Black or African American	254	3.8%
American Indian & Alaska Native	0	0.0%
Asian	1,589	23.8%
Native Hawaiian & Pacific Islander	7	0.1%
Some other race	43	0.6%
Two or more races	85	1.3%
Hispanic or Latino (any race)	557	8.4%

Educational attainment (age 25+)

No high school diploma4.1%

High school graduate22.8%

Some college or associate's14.7%

Bachelor's degree35.1%

Graduate or professional degree23.3%

	Count	Share
No high school diploma	191	4.1%
High school graduate	1,074	22.8%
Some college or associate's	693	14.7%
Bachelor's degree	1,652	35.1%
Graduate or professional degree	1,099	23.3%

Commute to work

Mean travel time to work: 28 min

Drove alone61.4%

Carpooled9.0%

Public transit0.8%

Walked0.6%

Bicycle0.0%

Worked from home27.5%

Other means0.6%

How workers get to work

	Count	Share
Drove alone	1,997	61.4%
Carpooled	293	9.0%
Public transit	26	0.8%
Walked	18	0.6%
Bicycle	0	0.0%
Worked from home	895	27.5%
Other means	21	0.6%

Travel time

	Count	Share
Under 15 min	636	27.0%
15 to 29 min	658	27.9%
30 to 44 min	587	24.9%
45 to 59 min	312	13.2%
60+ min	162	6.9%

Households

Average household size: 2.70
Poverty rate: 2.9% (189 of 6,510)

	Count	Share
Family households	1,519	64.0%
Nonfamily households	853	36.0%

Housing

Median year structure built: 1980

Occupancy

	Count	Share
Occupied	2,372	96.5%
Vacant	86	3.5%

Tenure (of occupied units)

	Count	Share
Owner-occupied	1,801	75.9%
Renter-occupied	571	24.1%

1-unit, detached66.6%

1-unit, attached12.2%

2 to 4 units2.4%

5 to 19 units1.4%

20 or more units16.6%

Mobile home & other0.9%

Units in structure

	Count	Share
1-unit, detached	1,636	66.6%
1-unit, attached	301	12.2%
2 to 4 units	58	2.4%
5 to 19 units	34	1.4%
20 or more units	408	16.6%
Mobile home & other	21	0.9%

Geography

Place GEOID: 3427840
Type (LSAD): 57
Land area: 4.64 sq mi
Water area: 0 sq mi
Center point: 40.6047, -74.6145