Mountain Lakes Flag

Mountain Lakes

County:
Morris County
County Seat:
No
Area (mi²):
2.644
State:
New Jersey

Mountain Lakes is a borough located in Morris County, New Jersey. Mountain Lakes has a 2025 population of 4,704. Mountain Lakes is currently growing at a rate of 1.03% annually and its population has increased by 5.38% since the most recent census, which recorded a population of 4,464 in 2020.

The average household income in Mountain Lakes is $327,881 with a poverty rate of 1.32%.The median age in Mountain Lakes is 43.6 years: 36.1 years for males, and 45.1 years for females.

4.7K
Total Population
1,779
Density (mi²)
48 1.03%
Growth

Mountain Lakes Population

Mountain Lakes Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Mountain Lakes includes 79.67% White, 13.25% Asian, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White3,61379.67%
Asian60113.25%
Two or more races2565.64%
Other race651.43%

Mountain Lakes Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mountain Lakes' average per capita income is $134,864. Household income levels show a median of $250,001. The poverty rate stands at 1.32%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Households$250,001$327,881
Families$250,001$344,092
Married Families$250,001-
Non Families$124,125$220,682

$134,864

Average Income

$250,001

Median Household Income

1.32%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)