Mendham Flag

Mendham

County:
Morris County
County Seat:
No
Area (mi²):
17.784
State:
New Jersey

Mendham is located in Morris County, New Jersey. Mendham has a 2025 population of 5,989. Mendham is currently declining at a rate of 0% annually and its population has decreased by -0.12% since the most recent census, which recorded a population of 5,996 in 2020.

The average household income in Mendham is $381,677 with a poverty rate of 1.85%. The median age in Mendham is 46 years: 47.2 years for males, and 45.6 years for females.

6K
Total Population
337
Density (mi²)
0 0%
Growth

Mendham Population

Mendham Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Mendham includes 82.15% White, 5.89% Asian, 5.22% other race, and smaller percentages for Black or African American and multiracial populations.

Population by Race

White (82.2%)

Two or more races (6.5%)

Asian (5.9%)

Other race (5.2%)

Black or African American (0.3%)

Race
Population
Percentage (of total)
White4,92482.15%
Two or more races3896.49%
Asian3535.89%
Other race3135.22%
Black or African American150.25%

Mendham Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mendham's average per capita income is $140,761. Household income levels show a median of $250,001. The poverty rate stands at 1.85%.

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$381,677
Families$250,001$449,331
Married Families$250,001-
Non Families$165,412$147,455

$140,761

Average Income

$250,001

Median Household Income

1.85%

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)