Elementary School District · NJ
Mendham Borough School District
Mendham Borough School District is a elementary school district in New Jersey with a community population of 4,973. The median household income is $211,944 and the median age is 46.5.
4,973
Population
839
People / sq mi
$211,944
Median Income
46.5
Median Age
Mendham Borough School District covers 6 sq mi of land at 838.6 people per square mile.
Race & Ethnicity
| White | 80.4% |
| Black or African American | 0.0% |
| Asian | 50.7% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$211,944
Median Household Income
$113,316
Per Capita Income
2.1%
Poverty Rate
2.3%
Unemployment
Housing
$819,800
Median Home Value
$3,501
Median Rent
85.9%
Homeownership
Education Attainment
98.7%
High School+
80.7%
Bachelor's+
Other New Jersey School Districts
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State rankings
Frequently Asked Questions
Mendham Borough School District serves a community with a population of 4,973 according to the latest Census ACS 5-Year estimates. This elementary school district is located in New Jersey.
The median household income in Mendham Borough School District is $211,944, with a per capita income of $113,316. The poverty rate is 2.1%.
Mendham Borough School District is 80.4% White, 0.0% Black or African American, 50.7% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Mendham Borough School District, 98.7% of adults have a high school diploma or higher, and 80.7% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Mendham Borough School District is $819,800, with a median rent of $3,501. The homeownership rate is 85.9%.
More from New Jersey
Data for Mendham Borough School District from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a elementary school district (GEOID: 3409900).
The this entity record above pulls directly from the U.S. Census Bureau ACS and decennial files. What follows is the per-entity context — how this entity sits in the broader U.S. population demographics distribution and which underlying factors drive the headline numbers.
Every number on this page links back to the U.S. Census Bureau ACS and decennial files; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: U.S. Census Bureau ACS, 2026.