Mountain Lakes, NJ demographics:
population, income, and more

Total population
4,549
1.1% year-over-year change
Median household income
$250,001/yr
0.0% year-over-year change
Housing units
1,480
2.8% year-over-year change

Mountain Lakes population

How many people live in Mountain Lakes

Mountain Lakes is home to 4,549 residents, according to the most recent Census data. Gender-wise, 53.3% of Mountain Lakes locals are male, and 46.7% are female.

Total population
4,549
1.1% year-over-year change
Gender ratio
Male
53.3%
2,426
Female
46.7%
2,123
Value Percent YoY change
Male 2,426 53.3% -0.5%
Female 2,123 46.7% 3.0%
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 Mountain Lakes is 43, with the population distributed as follows: about 25.7% are children under 15, then 12.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 15.3% of the population, while another 33.7% fall into the 45 to 64 bracket. Finally, around 13.2% are 65 or older.

Median age
43.4
Age breakdown
Under 15
25.7%
15 to 24
12.1%
25 to 44
15.3%
45 to 64
33.7%
Over 65
13.2%
Value Percent YoY change
Under 15 1,169 25.7% -1.9%
15 to 24 551 12.1% -5.3%
25 to 44 698 15.3% 9.9%
45 to 64 1,533 33.7% -2.7%
Over 65 599 13.2% 16.3%
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 Mountain Lakes, 86.4% of the population are US-born citizens, while 7.2% have gained naturalized citizenship. At the same time, 6.4% of residents are non-citizens. There’s also a share of 6.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
86.4%
Non-U.S.-born citizens
7.2%
Non-citizens
6.4%
Value Percent YoY change
U.S.-born citizens 3,930 86.4% 2.0%
Non-U.S.-born citizens 327 7.2% -13.0%
Non-citizens 292 6.4% 7.0%
Racial breakdown
White
77.9%
Black or African American
0%
American Indian and Alaska Native
0.4%
Asian
13.3%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.8%
Other
1.6%
Value Percent
White 3,544 77.9%
American Indian and Alaska Native 16 0.4%
Asian 607 13.3%
Two or more races 309 6.8%
Other 73 1.6%

Households in Mountain Lakes

A peek inside Mountain Lakes households

Mountain Lakes has 1,432 households, with an average of 3 members in each. Of these, 87.9% are families, while the remaining 12.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,432
1.8% year-over-year change
Average people per household
3
Non-family households
173
Family households
1,259
Value Percent YoY change
Non-family households 173 12.1% -13.1%
Family households 1,259 87.9% 4.2%
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 Mountain Lakes

The housing landscape of Mountain Lakes

Mountain Lakes's housing consists of 1,480 units, with 88.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 11.2% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.6% of the housing landscape.

Housing units
1,480
2.8% year-over-year change
Housing types
Value Percent
1 unit, detached 1,306 88.2%
1 unit, attached 166 11.2%
Mobile home 9 0.6%
Homes built since 2020
38
% year-over-year change

The age of buildings in Mountain Lakes

In Mountain Lakes, the median construction year is 1949. About 38.9% of homes were built before the 1940s, with another 12.2% going up by 1949. Most development happened in the second half of the 20th century. Then, 5.3% of homes were added from 2000 to 2009, 4.3% between 2010 and 2019, and 2.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 575 38.9% 1.1%
Built between 1940 and 1949 181 12.2% -4.7%
Built between 1950 and 1959 136 9.2% -6.2%
Built between 1960 and 1969 93 6.3% 2.2%
Built between 1970 and 1979 97 6.6% 54.0%
Built between 1980 and 1989 112 7.6% 10.9%
Built between 1990 and 1999 104 7% -6.3%
Built between 2000 and 2009 79 5.3% -18.6%
Built between 2010 and 2019 64 4.3% -12.3%
Built in 2020 or later 38 2.6% 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.

Mountain Lakes occupancy rates

Out of the 1,432 occupied housing units in Mountain Lakes, 96.1% are owner-occupied, while 3.9% are lived in by tenants. Meanwhile, 3.2% of all homes on the local market sit vacant.

Occupied housing units
1,432
1.8% year-over-year change
Occupancy breakdown
Renter occupied
56
Owner occupied
1,376
Value Percent YoY
change
Renter occupied 56 3.9% 36.6%
Owner occupied 1,376 96.1% 0.7%
Unoccupied housing units
3.2%
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.

Mountain Lakes housing costs

Housing costs in Mountain Lakes come to a median of $4,001 per month, while tenants specifically pay a median gross rent of $3,501.

Median housing costs per month
$4,001/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 Mountain Lakes
$3,501/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 Mountain Lakes

Mountain Lakes education at a glance

About 7.7% of the population in Mountain Lakes went to high school, while 5.6% pursued college studies. Another 1.9% earned an associate degree and 41.6% hold a bachelor’s. Meanwhile, 42.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 25 0.8% -26.5%
High school diploma 235 7.7% -12.3%
College diploma 171 5.6% -3.9%
Associate degree 59 1.9% 3.5%
Bachelor's degree 1,273 41.6% -5.1%
Graduate degree 1,298 42.4% 18.1%
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 Mountain Lakes

How much people earn in Mountain Lakes

The average annual household income in Mountain Lakes was $368,385 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +12.4% change from the previous year.

Average household income in Mountain Lakes
$368,385/year
12.4% year-over-year change
Median household income in Mountain Lakes
$250,001/year
0.0% year-over-year change

Mountain Lakes income by age

In Mountain Lakes, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $250,001. Those with someone between 45 and 64 in charge, often well established professionally, earn $250,001 overall. Overall, 98.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $250,001 0.0%
45 - 64 $250,001 0.0%
Over 65 $194,904 14.9%
Above poverty level
4,465
Below poverty level
58
Value Percent YoY
change
Above poverty level 4,465 98.7% 0.8%
Below poverty level 58 1.3% -3.3%

Average renter income in Mountain Lakes

To get a better sense of what renters earn on average in Mountain Lakes, their median household income was $88,500 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 47.5%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$88,500
Rent-to-income ratio
47.5%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Mountain Lakes

Workforce and job types in Mountain Lakes

92.5% of the working population are employed in professional or administrative positions, while 7.5% are in hands-on or service-based jobs. Also, 19.6% run their own businesses, 63.5% are employed by private companies, and 7.7% work in the public sector.

Workforce demographics

White collar
2,073
Blue collar
167
Value Percent YoY change
White collar 2,073 92.5% 7.1%
Blue collar 167 7.5% 11.3%
Employer type
Self employees
19.6%
Private companies
63.5%
Governmental workers
7.7%
Not for profit companies
9.2%
Value Percent YoY change
Self employees 440 19.6% -2.4%
Private companies 1,422 63.5% 5.0%
Governmental workers 172 7.7% 27.4%
Not for profit companies 206 9.2% 43.1%

Transportation in Mountain Lakes

How people get around in Mountain Lakes

Commuting methods vary: 88.6% of residents travel by personal vehicle and 1.9% 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 1,351 88.6% 7.0%
Bus or trolleybus 99 6.5% 20.7%
Railroad 30 2% -16.7%
Bicycle 15 1% 25.0%
Walk 29 1.9% 625.0%
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 Mountain Lakes by zipcode?

Zipcode Population Number of households Median income Average income
07046 4,585 1,443 $250,001 $368,558

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FAQs about Mountain Lakes demographics 

What is the total population of Mountain Lakes?

Mountain Lakes has a total population of 4,549 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 +1.1% compared to a year ago.

What is the gender ratio in Mountain Lakes?

The gender ratio in Mountain Lakes is as follows:
  • 53.3% males (2,426 residents)
  • 46.7% females (2,123 residents)

What is the median age in Mountain Lakes?

The median age in Mountain Lakes is 43.4.

What is the age distribution of the population in Mountain Lakes?

The age distribution in Mountain Lakes is as follows:
  • Under 15: 25.7% (1,169 residents)
  • Ages 15-24: 12.1% (551 residents)
  • Ages 25-44: 15.3% (698 residents)
  • Ages 45-64: 33.7% (1,533 residents)
  • Over 65: 13.2% (599 residents)

What is the racial and ethnic makeup of Mountain Lakes?

The racial and ethnic makeup of Mountain Lakes is as follows:
  • White: 77.9% (3,544 residents)
  • Black or African American: 0% ( residents)
  • American Indian and Alaska Native: 0.4% (16 residents)
  • Asian: 13.3% (607 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 6.8% (309 residents)
  • Other: 1.6% (73 residents)

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

U.S.-born citizens represent 86.4% of the population in Mountain Lakes.

How many housing units are there in Mountain Lakes?

There are 1,480 housing units in Mountain Lakes, reflecting a +2.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Mountain Lakes has a total of 1,432 households, with an average of 3 people in each.

What is the median household income in Mountain Lakes?

Mountain Lakes has a median household income of $250,001, representing a 0.0% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Mountain Lakes?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 92.5% (2,073 residents)
  • Blue-collar workers: 7.5% (167 residents)

Places of employment:
  • Self-employed: 19.6% (440 residents)
  • Private companies: 63.5% (1,422 residents)
  • Governmental workers: 7.7% (172 residents)
  • Not-for-profit companies: 9.2% (206 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