Erma vs Marmora

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

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

Erma has the higher population (2,039 vs 2,011 in Marmora). Marmora has the higher median household income ($94,621 vs $93,674 in Erma). Erma has the higher median home value ($378,000 vs $370,400 in Marmora).

Population, income & housing

	Erma	Marmora
Population	2,039	2,011
Median age	37.8 yrs	58.2 yrs
Median household income	$93,674	$94,621
Median home value	$378,000	$370,400
Median gross rent	$1,576	$1,917
Housing units	907	1,381
Homeownership rate	73.0%	87.1%
Bachelor's degree or higher	35.8%	43.6%
Unemployment rate	12.8%	2.4%

Trends (ACS 5-year, 2019–2023)

	Erma	Marmora
Population	1,876 → 2,039 (+8.7%)	2,519 → 2,011 (-20.2%)
Median household income	$84,803 → $93,674 (+10.5%)	$95,250 → $94,621 (-0.7%)
Median home value	$299,300 → $378,000 (+26.3%)	$289,100 → $370,400 (+28.1%)
Median gross rent	$1,194 → $1,576 (+32.0%)	$1,454 → $1,917 (+31.8%)

Erma

Population

1,8762,039

Median household income

$84,803$93,674

Median home value

$299,300$378,000

Median gross rent

$1,194$1,576

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

Age & race/ethnicity

Age distribution (share)

	Erma	Marmora
Under 5	10.0%	2.4%
5 to 17	15.5%	13.3%
18 to 24	3.8%	4.6%
25 to 34	17.4%	7.5%
35 to 44	9.4%	8.9%
45 to 54	8.5%	10.9%
55 to 64	18.2%	12.7%
65 to 74	11.2%	21.5%
75 and over	5.8%	18.2%

Race & ethnicity (share)

	Erma	Marmora
White (non-Hispanic)	75.9%	92.3%
Black or African American	2.0%	0.3%
American Indian & Alaska Native	0.0%	0.0%
Asian	1.0%	2.3%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	13.1%	5.0%
Hispanic or Latino	8.0%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Erma	Marmora
No high school diploma	4.6%	1.4%
High school graduate	28.3%	27.1%
Some college or associate's	31.3%	27.9%
Bachelor's degree	26.9%	20.2%
Graduate or professional degree	8.8%	23.4%

Commute to work

How workers get to work (share)

	Erma	Marmora
Drove alone	76.7%	87.4%
Carpooled	10.3%	5.7%
Public transit	0.0%	0.0%
Walked	1.4%	3.8%
Bicycle	4.4%	0.0%
Worked from home	7.3%	3.2%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Erma	Marmora
1-unit, detached	91.3%	65.0%
1-unit, attached	2.4%	0.0%
2 to 4 units	1.3%	4.6%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	5.0%	30.4%

Poverty & households

	Erma	Marmora
Poverty rate	7.2%	4.3%
Average household size	2.60	2.05
Mean commute (minutes)	20	25
Median year structure built	1977	1983