Marmora vs South Dennis

A side-by-side comparison of Marmora and South Dennis: population, income, housing, and more.

Marmora and South Dennis are places in New Jersey. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Marmora has the higher population (2,011 vs 1,579 in South Dennis). South Dennis has the higher median household income ($137,083 vs $94,621 in Marmora). Marmora has the higher median home value ($370,400 vs $352,800 in South Dennis).

Population, income & housing

	Marmora	South Dennis
Population	2,011	1,579
Median age	58.2 yrs	38.8 yrs
Median household income	$94,621	$137,083
Median home value	$370,400	$352,800
Median gross rent	$1,917	—
Housing units	1,381	682
Homeownership rate	87.1%	91.6%
Bachelor's degree or higher	43.6%	43.1%
Unemployment rate	2.4%	0.0%

Trends (ACS 5-year, 2019–2023)

	Marmora	South Dennis
Population	2,519 → 2,011 (-20.2%)	1,603 → 1,579 (-1.5%)
Median household income	$95,250 → $94,621 (-0.7%)	$104,000 → $137,083 (+31.8%)
Median home value	$289,100 → $370,400 (+28.1%)	$284,100 → $352,800 (+24.2%)
Median gross rent	$1,454 → $1,917 (+31.8%)	—

Marmora

Population

2,5192,011

Median household income

$95,250$94,621

Median home value

$289,100$370,400

Median gross rent

$1,454$1,917

South Dennis

Population

1,6031,579

Median household income

$104,000$137,083

Median home value

$284,100$352,800

Age & race/ethnicity

Age distribution (share)

	Marmora	South Dennis
Under 5	2.4%	9.1%
5 to 17	13.3%	14.5%
18 to 24	4.6%	4.2%
25 to 34	7.5%	8.5%
35 to 44	8.9%	21.5%
45 to 54	10.9%	7.5%
55 to 64	12.7%	13.6%
65 to 74	21.5%	12.7%
75 and over	18.2%	8.5%

Race & ethnicity (share)

	Marmora	South Dennis
White (non-Hispanic)	92.3%	92.9%
Black or African American	0.3%	0.1%
American Indian & Alaska Native	0.0%	0.0%
Asian	2.3%	0.1%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	5.0%	4.6%
Hispanic or Latino	0.0%	2.4%

Educational attainment (age 25+)

Share of adults 25+

	Marmora	South Dennis
No high school diploma	1.4%	6.3%
High school graduate	27.1%	30.1%
Some college or associate's	27.9%	20.4%
Bachelor's degree	20.2%	30.0%
Graduate or professional degree	23.4%	13.1%

Commute to work

How workers get to work (share)

	Marmora	South Dennis
Drove alone	87.4%	85.1%
Carpooled	5.7%	9.8%
Public transit	0.0%	0.2%
Walked	3.8%	0.0%
Bicycle	0.0%	0.0%
Worked from home	3.2%	2.6%
Other means	0.0%	2.2%

Housing

Units in structure (share)

	Marmora	South Dennis
1-unit, detached	65.0%	94.3%
1-unit, attached	0.0%	0.0%
2 to 4 units	4.6%	5.7%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	30.4%	0.0%

Poverty & households

	Marmora	South Dennis
Poverty rate	4.3%	2.3%
Average household size	2.05	2.45
Mean commute (minutes)	25	26
Median year structure built	1983	1983