Franklin Center vs Green Knoll

A side-by-side comparison of Franklin Center and Green Knoll: population, income, housing, and more.

Franklin Center and Green Knoll are places in New Jersey. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Green Knoll has the higher population (6,664 vs 5,770 in Franklin Center). Green Knoll has the higher median household income ($156,630 vs $138,643 in Franklin Center). Green Knoll has the higher median home value ($581,600 vs $565,200 in Franklin Center).

Population, income & housing

	Franklin Center	Green Knoll
Population	5,770	6,664
Median age	56.4 yrs	44.1 yrs
Median household income	$138,643	$156,630
Median home value	$565,200	$581,600
Median gross rent	$2,588	$1,417
Housing units	2,592	2,458
Homeownership rate	69.4%	75.9%
Bachelor's degree or higher	68.2%	58.4%
Unemployment rate	4.9%	4.2%

Trends (ACS 5-year, 2019–2023)

	Franklin Center	Green Knoll
Population	5,860 → 5,770 (-1.5%)	6,631 → 6,664 (+0.5%)
Median household income	$104,044 → $138,643 (+33.3%)	$118,016 → $156,630 (+32.7%)
Median home value	$437,700 → $565,200 (+29.1%)	$482,500 → $581,600 (+20.5%)
Median gross rent	$2,013 → $2,588 (+28.6%)	$1,161 → $1,417 (+22.0%)

Franklin Center

Population

5,8605,770

Median household income

$104,044$138,643

Median home value

$437,700$565,200

Median gross rent

$2,013$2,588

Green Knoll

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

Age & race/ethnicity

Age distribution (share)

	Franklin Center	Green Knoll
Under 5	4.8%	4.6%
5 to 17	9.3%	17.1%
18 to 24	3.3%	7.6%
25 to 34	12.7%	9.2%
35 to 44	10.5%	13.6%
45 to 54	8.0%	11.8%
55 to 64	14.2%	13.3%
65 to 74	22.5%	10.4%
75 and over	14.6%	12.3%

Race & ethnicity (share)

	Franklin Center	Green Knoll
White (non-Hispanic)	39.0%	62.0%
Black or African American	15.4%	3.8%
American Indian & Alaska Native	0.1%	0.0%
Asian	30.1%	23.8%
Native Hawaiian & Pacific Islander	0.0%	0.1%
Some other race	1.8%	0.6%
Two or more races	2.6%	1.3%
Hispanic or Latino	11.1%	8.4%

Educational attainment (age 25+)

Share of adults 25+

	Franklin Center	Green Knoll
No high school diploma	3.1%	4.1%
High school graduate	9.9%	22.8%
Some college or associate's	18.8%	14.7%
Bachelor's degree	33.6%	35.1%
Graduate or professional degree	34.6%	23.3%

Commute to work

How workers get to work (share)

	Franklin Center	Green Knoll
Drove alone	56.8%	61.4%
Carpooled	10.0%	9.0%
Public transit	3.6%	0.8%
Walked	0.0%	0.6%
Bicycle	0.0%	0.0%
Worked from home	29.6%	27.5%
Other means	0.0%	0.6%

Housing

Units in structure (share)

	Franklin Center	Green Knoll
1-unit, detached	47.9%	66.6%
1-unit, attached	12.8%	12.2%
2 to 4 units	3.9%	2.4%
5 to 19 units	15.4%	1.4%
20 or more units	20.0%	16.6%
Mobile home & other	0.0%	0.9%

Poverty & households

	Franklin Center	Green Knoll
Poverty rate	5.6%	2.9%
Average household size	2.23	2.70
Mean commute (minutes)	35	28
Median year structure built	2006	1980