Demographics in Mendham, NJ
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is Mendham?
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Population
Source: U.S. Census Bureau ACS (2023)Total Population
4,977
Male
2,222
44.6%
Female
2,755
55.4%
Median Age
46.6
Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White82.9%
Black0.0%
Hispanic5.6%
Asian6.6%
Two or More10.4%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
55.8%
High School or Higher
61.8%
Foreign Born
12.1%
Veterans
2.1%
Married
49.2%
Avg Household Size
2.7
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)Mendham, NJ has a population of 4,977 with a median age of 46.6. The racial makeup is 82.9% White, 5.6% Hispanic, 0.0% Black, 6.6% Asian. About 55.8% of residents hold a bachelor's degree or higher. The foreign-born population is 12.1%.