Mendham

County:: Morris County
County Seat:: No
Area (mi²):: 5.93
State:: New Jersey

Mendham is a borough located in Morris County, New Jersey. Mendham has a 2025 population of 4,970. Mendham is currently declining at a rate of 0% annually and its population has increased by 0.02% since the most recent census, which recorded a population of 4,969 in 2020.

The average household income in Mendham is $312,713 with a poverty rate of 2.18%. The median age in Mendham is 46.6 years: 47.3 years for males, and 46.1 years for females.

Demographics

The racial composition of Mendham includes 82.94% White, 6.57% Asian, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	4,128	82.94%
Two or more races	520	10.45%
Asian	327	6.57%
Black or African American	2	0.04%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Mendham Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mendham's average per capita income is $111,138. Household income levels show a median of $223,750. The poverty rate stands at 2.18%.

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
Families	$250,001	$360,557
Married Families	$250,001	-
Households	$223,750	$312,713
Non Families	$86,806	$117,710

$111,138

Average Income

$223,750

Median Household Income

2.18%

Poverty Rate