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, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Two or more races

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White3,61379.67%
Asian60113.25%
Two or more races2565.64%
Other race651.43%
Black or African American00%
Native American00%
Native Hawaiian or Pacific Islander00%

Mountain Lakes Marital Status

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

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)