Mountain Lakes borough, New Jersey Population 2024

4,617

Mountain Lakes borough is located in Morris County New Jersey. Mountain Lakes borough has a 2024 population of 4,617. Mountain Lakes borough is currently growing at a rate of 0.2% annually and its population has increased by 3.43% since the most recent census, which recorded a population of 4,464 in 2020.

The average household income in Mountain Lakes borough is $327,082 with a poverty rate of 1.31%. The median age in Mountain Lakes borough is 43.7 years: 39.3 years for males, and 45 years for females.

Mountain Lakes borough Demographics

According to the most recent ACS, the racial composition of Mountain Lakes borough was:

  • White: 82.62%
  • Asian: 13.16%
  • Two or more races: 3.91%
  • Other race: 0.31%
  • Black or African American: 0%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
2.6 sq mi
Density (mi²)
1,746.20/sq mi
Growth Since 2020
3.43% (153)
The current population of Mountain Lakes borough, New Jersey is 4,617 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 4,464.

Population by Race

Race
Population
Percentage (of total)
White3,71782.62%
Asian59213.16%
Two or more races1763.91%
Other race140.31%
Black or African American00%
Native American00%
Native Hawaiian or Pacific Islander00%

White

Asian

Two or more races

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Mountain Lakes borough Population by Race

Mountain Lakes borough Population Pyramid 2024

Mountain Lakes borough Median Age

43.7

Total

39.3

Male

45

Female

Mountain Lakes borough Adults

There are 2,974 adults, (502 of whom are seniors) in Mountain Lakes borough.

Mountain Lakes borough Age Dependency

82

Age Dependency Ratio

20.3

Old Age Dependency Ratio

61.7

Child Dependency Ratio

Mountain Lakes borough Sex Ratio

Female2,14747.72%
Male2,35252.28%

Mountain Lakes borough Population by Age

Mountain Lakes borough Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,4303.1596.23.8
Married1,0573.5399.30.7
Non Family2121.1894.35.7
Female1053.2789.510.5
Male563.1357.142.9

3.46

Average Family Size

3.15

Average Household Size

96.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Mountain Lakes borough Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade260.97%
Associates Degree682.53%
Bachelors Degree1,10941.2%
Graduate Degree1,05839.3%
High School Graduate2609.66%
Less Than 9th Grade341.26%
Some College1375.09%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Mountain Lakes borough Educational Attainment by Sex (over 25)

Mountain Lakes borough Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White2,1722,1451,721
Asian357331299
Hispanic10310394
2+ Races797979
Other Race1477

The highest rate of high school graduation is among 2+ races people with a rate of 100%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 100%.

Mountain Lakes borough Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$123,636$235,250$57,293
Graduate Degree$201,125$250,001$151,078
High School Graduate$128,776$0$0
Less Than 9th Grade$0$0$0
Overall$146,313$192,625$91,250
Some College$75,227$0$0

$146,313

Average Earnings

$192,625

Average Male

$91,250

Average Female

Mountain Lakes borough Earnings by Educational Attainment

Mountain Lakes borough Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Mountain Lakes borough Language

82.44% of Mountain Lakes borough residents speak only English, while 17.56% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 7.26% of the population.

Mountain Lakes borough Language

Mountain Lakes borough Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White3,531511.44%
Asian59281.35%

1.31%

Overall Poverty Rate

0.34%

Male Poverty Rate

2.38%

Female Poverty Rate

Poverty in Mountain Lakes borough

The race most likely to be in poverty in Mountain Lakes borough is White, with 1.44% below the poverty level.

The race least likely to be in poverty in Mountain Lakes borough is Asian, with 1.35% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 2.78%, and for those that did not work, the poverty rate was 4.11%.

Mountain Lakes borough Poverty

rate

Rate
Poverty
Some College23.41%
High School4.23%
Less Than 9th Grade0%
Bachelors or Greater0%

Mountain Lakes borough Poverty Rate by Education

rate

Rate
Poverty
Female Employed2.3%
Male Employed0%
Male Unemployed0%
Female Unemployed0%

Mountain Lakes borough Poverty Rate by Employment Status and Sex

Mountain Lakes borough Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$250,001$353,074
Households$250,001$327,082
Married Families$250,001$-999,999,999
Non Families$88,077$169,531

mean

median

Income by Household Type

Mountain Lakes borough Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

63.9%

Overall Marriage Rate

67.2%

Male Marriage Rate

60.9%

Female Marriage Rate

Mountain Lakes borough Married by Age and Sex

male

female

Mountain Lakes borough Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Mountain Lakes borough Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Mountain Lakes borough Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

45

Number of Veterans

19

Male Veterans

26

Female Veterans

War
Veterans
First Gulf War25
Vietnam15
Second Gulf War5
Korea0
World War II0

Mountain Lakes borough Veterans by War

count

Age Group
Veterans
35 to 5425
65 to 7415
18 to 345
55 to 640
75+0

Mountain Lakes borough Veterans by Age

count

Name
Veterans
% of Total
White300.011885895404120444
Asian150.04201680672268908

Mountain Lakes borough Veterans by Race

Mountain Lakes borough Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

33.33%

Veteran Disability Rate

Mountain Lakes borough Veterans by Education

LaborForceParticipation

67.1%

Labor Force Participation

65.4%

Employment Rate

2.6%

Unemployment Rate

Mountain Lakes borough Employment by Age

LaborForceParticipation

Mountain Lakes borough Employment by Race

LaborForceParticipation

Mountain Lakes borough Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

51.26%

Born in Mountain Lakes borough

85.2%

Native Born

14.8%

Foreign Born

5.98%

Non Citizen

8.82%

Naturalized

Place of Birth

85.2% of Mountain Lakes borough residents were born in the United States, with 51.26% having been born in New Jersey. 5.98% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Mountain Lakes borough Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20294,66290.19%
20284,65390.19%
20274,64490.19%
20264,63590.19%
20254,62690.19%
20244,61790.2%
20234,60890.2%
20224,599250.55%
20214,5741102.46%
20204,4642485.88%
20194,216-45-1.06%
20184,261-29-0.68%
20174,29040.09%
20164,286410.97%
20154,24500%
20144,245-6-0.14%
20134,251280.66%
20124,22340.09%
20114,219521.25%
20104,16700%

Mountain Lakes borough Population by Year