Mountain Lake, New Jersey Population 2024

521

Mountain Lake is a city located in Warren County New Jersey. Mountain Lake has a 2024 population of 521. Mountain Lake is currently declining at a rate of -2.07% annually and its population has decreased by -7.79% since the most recent census, which recorded a population of 565 in 2020.

The average household income in Mountain Lake is $118,272 with a poverty rate of 5.34%. The median age in Mountain Lake is 55.6 years: 57.2 years for males, and 55.2 years for females.

Mountain Lake Demographics

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

  • White: 88.58%
  • Two or more races: 10.68%
  • Asian: 0.74%
  • Black or African American: 0%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
Land Area (mi²)
1.1 sq mi
Density (mi²)
462.60/sq mi
Growth Since 2020
-7.79% (-44)
The current population of Mountain Lake, New Jersey is 521 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 565.

Population by Race

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Race
Population
Percentage (of total)
White48188.58%
Two or more races5810.68%
Asian40.74%
Black or African American00%
Native American00%
Native Hawaiian or Pacific Islander00%
Other race00%

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Mountain Lake Population by Race

Mountain Lake Population Pyramid 2024

Mountain Lake Median Age

55.6

Total

57.2

Male

55.2

Female

Mountain Lake Adults

There are 511 adults, (90 of whom are seniors) in Mountain Lake.

Mountain Lake Age Dependency

29

Age Dependency Ratio

21.4

Old Age Dependency Ratio

7.6

Child Dependency Ratio

Mountain Lake Sex Ratio

Female29053.41%
Male25346.59%

Mountain Lake Population by Age

Mountain Lake Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2322.3482.317.7
Married1562.7385.914.1
Non Family651.3578.521.5
Female112.6454.545.5
Male0000

2.69

Average Family Size

2.34

Average Household Size

82.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Mountain Lake Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade265.44%
Associates Degree163.35%
Bachelors Degree8818.41%
Graduate Degree265.44%
High School Graduate19941.63%
Less Than 9th Grade102.09%
Some College11323.64%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Mountain Lake Educational Attainment by Sex (over 25)

Mountain Lake Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White429419105
2+ Races45199
Hispanic41155
Asian440

The highest rate of high school graduation is among asian people with a rate of 100%.

The highest rate of bachelors degrees is among white people with a rate of 24.48%.

Mountain Lake Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$81,000$0$81,500
Graduate Degree$81,154$0$81,154
High School Graduate$55,773$56,324$0
Less Than 9th Grade$0$0$0
Overall$55,224$56,607$35,375
Some College$43,897$55,417$0

$55,224

Average Earnings

$56,607

Average Male

$35,375

Average Female

Mountain Lake Earnings by Educational Attainment

Mountain Lake Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Mountain Lake Language

88.03% of Mountain Lake residents speak only English, while 11.97% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.13% of the population.

Mountain Lake Language

Mountain Lake Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White481296.03%

5.34%

Overall Poverty Rate

5.53%

Male Poverty Rate

5.17%

Female Poverty Rate

Poverty in Mountain Lake

The race most likely to be in poverty in Mountain Lake is White, with 6.03% below the poverty level.

The race least likely to be in poverty in Mountain Lake is White, with 6.03% 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 0%, and for those that did not work, the poverty rate was 26.36%.

Mountain Lake Poverty

rate

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Rate
Poverty
High School14.57%
Less Than 9th Grade0%
Some College0%
Bachelors or Greater0%

Mountain Lake Poverty Rate by Education

rate

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Rate
Poverty
Male Employed0%
Male Unemployed0%
Female Employed0%
Female Unemployed0%

Mountain Lake Poverty Rate by Employment Status and Sex

Mountain Lake Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$94,826$136,461
Households$93,690$118,272
Married Families$96,500$-999,999,999
Non Families$61,932$68,643

mean

median

Income by Household Type

Mountain Lake Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

67.0%

Overall Marriage Rate

74.3%

Male Marriage Rate

60.8%

Female Marriage Rate

Mountain Lake Married by Age and Sex

male

female

Mountain Lake Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.

Mountain Lake Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Mountain Lake Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

40

Number of Veterans

35

Male Veterans

5

Female Veterans

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War
Veterans
Vietnam23
First Gulf War12
Second Gulf War5
Korea0
World War II0

Mountain Lake Veterans by War

count

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Age Group
Veterans
65 to 7423
35 to 5412
18 to 345
55 to 640
75+0

Mountain Lake Veterans by Age

count

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Name
Veterans
% of Total
White408.66%

Mountain Lake Veterans by Race

Mountain Lake Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

0%

Veteran Disability Rate

Mountain Lake Veterans by Education

LaborForceParticipation

79.6%

Labor Force Participation

78.5%

Employment Rate

1.5%

Unemployment Rate

Mountain Lake Employment by Age

LaborForceParticipation

Mountain Lake Employment by Race

LaborForceParticipation

Mountain Lake 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

72.56%

Born in Mountain Lake

92.63%

Native Born

7.37%

Foreign Born

5.52%

Non Citizen

1.84%

Naturalized

Place of Birth

92.63% of Mountain Lake residents were born in the United States, with 72.56% having been born in New Jersey. 5.52% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Mountain Lake Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2024521-11-2.07%
2023532-11-2.03%
2022543-28-4.9%
202157161.06%
20205659419.96%
2019471-39-7.65%
2018510-43-7.78%
2017553-45-7.53%
2016598193.28%
2015579-97-14.35%
201467650.75%
2013671-22-3.17%
2012693-62-8.21%
201175518031.3%
201057500%

Mountain Lake Population by Year