Marmora, NJ demographics:
population, income, and more

Total population
2,039
1.4% year-over-year change
Median household income
$105,536/yr
11.5% year-over-year change
Housing units
1,468
6.3% year-over-year change

Marmora population

How many people live in Marmora

Marmora is home to 2,039 residents, according to the most recent Census data. Gender-wise, 45.9% of Marmora locals are male, and 54.1% are female.

Total population
2,039
1.4% year-over-year change
Gender ratio
Male
45.9%
936
Female
54.1%
1,103
Value Percent YoY change
Male 936 45.9% 2.2%
Female 1,103 54.1% 0.7%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Marmora is 59, with the population distributed as follows: about 12.7% are children under 15, then 7.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 17.8% of the population, while another 23.9% fall into the 45 to 64 bracket. Finally, around 38.2% are 65 or older.

Median age
58.8
Age breakdown
Under 15
12.7%
15 to 24
7.4%
25 to 44
17.8%
45 to 64
23.9%
Over 65
38.2%
Value Percent YoY change
Under 15 259 12.7% 0.8%
15 to 24 150 7.4% -0.7%
25 to 44 364 17.8% 10.6%
45 to 64 487 23.9% 2.5%
Over 65 779 38.2% -2.5%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Marmora, 95.6% of the population are US-born citizens, while 2.4% have gained naturalized citizenship. At the same time, 1.9% of residents are non-citizens. As for race, 88% of locals are Caucasian, 0.5% are African American and 3.8% have Asian roots. There’s also a share of 6.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
95.6%
Non-U.S.-born citizens
2.4%
Non-citizens
1.9%
Value Percent YoY change
U.S.-born citizens 1,950 95.6% -1.4%
Non-U.S.-born citizens 50 2.4% 138.1%
Non-citizens 39 1.9% 200.0%
Racial breakdown
White
88%
Black or African American
0.5%
American Indian and Alaska Native
0%
Asian
3.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.8%
Other
0.9%
Value Percent
White 1,795 88%
Black or African American 10 0.5%
Asian 77 3.8%
Two or more races 139 6.8%
Other 18 0.9%

Households in Marmora

A peek inside Marmora households

Marmora has 981 households, with an average of 2 members in each. Of these, 68.5% are families, while the remaining 31.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
981
0.3% year-over-year change
Average people per household
2
Non-family households
309
Family households
672
Value Percent YoY change
Non-family households 309 31.5% 8.8%
Family households 672 68.5% -3.2%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Marmora

The housing landscape of Marmora

Marmora's housing consists of 1,468 units, with 61.6% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 34.1% of the housing landscape.

Housing units
1,468
6.3% year-over-year change
Housing types
Value Percent
1 unit, detached 904 61.6%
2 units 64 4.4%
Mobile home 500 34.1%
Homes built since 2020
21
% year-over-year change

The age of buildings in Marmora

In Marmora, the median construction year is 1982. About 0.5% of homes were built before the 1940s, with another 3.5% going up by 1949. Most development happened in the second half of the 20th century. Then, 1% of homes were added from 2000 to 2009, 1% between 2010 and 2019, and 1.4% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 8 0.5% -52.9%
Built between 1940 and 1949 51 3.5% 27.5%
Built between 1950 and 1959 57 3.9% 67.7%
Built between 1960 and 1969 176 12% 19.7%
Built between 1970 and 1979 236 16.1% 19.2%
Built between 1980 and 1989 831 56.6% 2.7%
Built between 1990 and 1999 58 4% -23.7%
Built between 2000 and 2009 15 1% -63.4%
Built between 2010 and 2019 15 1% -21.1%
Built in 2020 or later 21 1.4% N/A
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Marmora occupancy rates

Out of the 981 occupied housing units in Marmora, 88.2% are owner-occupied, while 11.8% are lived in by tenants. Meanwhile, 33.2% of all homes on the local market sit vacant.

Occupied housing units
981
0.3% year-over-year change
Occupancy breakdown
Renter occupied
116
Owner occupied
865
Value Percent YoY
change
Renter occupied 116 11.8% -7.9%
Owner occupied 865 88.2% 1.5%
Unoccupied housing units
33.2%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Marmora housing costs

Housing costs in Marmora come to a median of $1,527 per month, while tenants specifically pay a median gross rent of $1,875.

Median housing costs per month
$1,527/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Marmora
$1,875/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Marmora

Marmora education at a glance

About 32.8% of the population in Marmora went to high school, while 12.6% pursued college studies. Another 13.2% earned an associate degree and 22.5% hold a bachelor’s. Meanwhile, 18.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 4 0.2% N/A
High school diploma 568 32.8% 15.9%
College diploma 219 12.6% -26.0%
Associate degree 229 13.2% 25.1%
Bachelor's degree 390 22.5% 11.1%
Graduate degree 323 18.6% -13.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Marmora

How much people earn in Marmora

The average annual household income in Marmora was $125,024 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +8.9% change from the previous year. At the same time, the median income stood at $105,536, reflecting a +11.5% shift over the same period.

Average household income in Marmora
$125,024/year
8.9% year-over-year change
Median household income in Marmora
$105,536/year
11.5% year-over-year change

Marmora income by age

In Marmora, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $193,542. Those with someone between 45 and 64 in charge, often well established professionally, earn $102,188 overall. Overall, 96.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $193,542 28.9%
45 - 64 $102,188 14.2%
Over 65 $85,804 24.1%
Above poverty level
1,960
Below poverty level
79
Value Percent YoY
change
Above poverty level 1,960 96.1% 1.8%
Below poverty level 79 3.9% -8.1%

Employment in Marmora

Workforce and job types in Marmora

The job market in Marmora is powered by 958 working residents, spread across a range of industries and roles. 84.2% of the working population are employed in professional or administrative positions, while 15.8% are in hands-on or service-based jobs. Also, 7.8% run their own businesses, 60.5% are employed by private companies, and 25.4% work in the public sector.

Workforce demographics

Working population
958
5.9% year-over-year change
White collar
807
Blue collar
151
Value Percent YoY change
White collar 807 84.2% -0.5%
Blue collar 151 15.8% 60.6%
Employer type
Self employees
7.8%
Private companies
60.5%
Governmental workers
25.4%
Not for profit companies
6.3%
Value Percent YoY change
Self employees 75 7.8% -14.8%
Private companies 580 60.5% 16.0%
Governmental workers 243 25.4% -7.6%
Not for profit companies 60 6.3% 11.1%
Unemployment rate
2.0%
-9.1% year-over-year change

Available workforce

The unemployment rate in Marmora stands at 2%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Marmora

How people get around in Marmora

Commuting methods vary: 91.5% of residents travel by personal vehicle and 5.3% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 826 91.5% 4.7%
Walk 48 5.3% 50.0%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Marmora by zipcode?

Zipcode Population Number of households Median income Average income
08223 4,048 1,833 $107,131 $121,135

Explore more communities

FAQs about Marmora demographics 

What is the total population of Marmora?

Marmora has a total population of 2,039 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +1.4% compared to a year ago.

What is the gender ratio in Marmora?

The gender ratio in Marmora is as follows:
  • 45.9% males (936 residents)
  • 54.1% females (1,103 residents)

What is the median age in Marmora?

The median age in Marmora is 58.8.

What is the age distribution of the population in Marmora?

The age distribution in Marmora is as follows:
  • Under 15: 12.7% (259 residents)
  • Ages 15-24: 7.4% (150 residents)
  • Ages 25-44: 17.8% (364 residents)
  • Ages 45-64: 23.9% (487 residents)
  • Over 65: 38.2% (779 residents)

What is the racial and ethnic makeup of Marmora?

The racial and ethnic makeup of Marmora is as follows:
  • White: 88% (1,795 residents)
  • Black or African American: 0.5% (10 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 3.8% (77 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 6.8% (139 residents)
  • Other: 0.9% (18 residents)

What percentage of the population in Marmora are U.S.-born citizens?

U.S.-born citizens represent 95.6% of the population in Marmora.

How many housing units are there in Marmora?

There are 1,468 housing units in Marmora, reflecting a +6.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Marmora and what is the average household size?

Marmora has a total of 981 households, with an average of 2 people in each.

What is the median household income in Marmora?

Marmora has a median household income of $105,536, representing a +11.5% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Marmora?

The employment rate is 98% in Marmora, with a workforce of 958 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 84.2% (807 residents)
  • Blue-collar workers: 15.8% (151 residents)

Places of employment:
  • Self-employed: 7.8% (75 residents)
  • Private companies: 60.5% (580 residents)
  • Governmental workers: 25.4% (243 residents)
  • Not-for-profit companies: 6.3% (60 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025