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.

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)
White	3,613	79.67%
Asian	601	13.25%
Two or more races	256	5.64%
Other race	65	1.43%

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