Mendham borough, New Jersey Demographics & Population 2026
As of 2026, Mendham borough, New Jersey has a total population of 4,977, the 294th largest city in New Jersey, with a median household income of $223,750, which is 121% higher than the state average. The poverty rate is 2.2%.
Key Takeaways
- Household income is 121% above the state average — one of the wealthiest communities in New Jersey.
- An exceptionally low poverty rate of 2.2% — among the lowest in New Jersey.
- 79.2% of adults hold a bachelor's degree or higher — top 10% in New Jersey.
Mendham borough Quick Facts
How Mendham borough Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 65 | National average: 60
Education
Educational Attainment (Adults 25+)
Mendham borough Rankings in New Jersey
Explore New Jersey Rankings
Other Cities in Morris County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Morristown town | 20,256 | $115,409 | 9.2% | $552,800 |
| Dover town | 18,420 | $70,519 | 11.6% | $347,100 |
| Madison borough | 16,464 | $168,469 | 2.8% | $882,900 |
| Florham Park borough | 13,134 | $147,714 | 7.8% | $722,700 |
| Lincoln Park borough | 10,901 | $119,000 | 3.4% | $419,500 |
| Kinnelon borough | 9,971 | $178,102 | 2.0% | $682,600 |
| Chatham borough | 9,219 | $250,001 | 2.5% | $944,300 |
| Boonton town | 8,803 | $100,417 | 7.5% | $475,300 |
| Butler borough | 8,072 | $110,375 | 9.3% | $425,900 |
| Wharton borough | 7,254 | $92,548 | 18.8% | $348,100 |
Cities Similar to Mendham borough
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Englewood Cliffs borough | 5,330 | $222,192 | $1,232,700 | 76.9% | 4.7% |
| Neshanic Station CDP | 5,403 | $213,682 | $636,200 | 76.4% | 0.2% |
| Harrington Park borough | 4,883 | $180,515 | $709,200 | 68.7% | 5.8% |
| Lyons CDP | 5,444 | $243,958 | $936,000 | 66.6% | 1.9% |
| Demarest borough | 4,916 | $175,078 | $965,400 | 74.7% | 0.8% |
Population Overview
Mendham borough is a small community located in New Jersey, within Morris County. The total population is 4,977. It ranks as the 294th most populous out of 700 cities and towns in New Jersey.
Age Demographics
The median age in Mendham borough is 46.6 years. This is 16% higher than the state median of 40.1 years.
Economy, Income & Housing
The median household income in Mendham borough is $223,750. This is 121% higher than the state median of $101,050. Compared to the national median of $78,538, household income here is 185% higher. The poverty rate stands at 2.2%. This is 78% lower than the state poverty rate of 9.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.2%. This is 48% lower than the state rate of 6.2%. The median home value is $764,000. Housing costs are 79% higher than the state median of $427,600. The home-value-to-income ratio is 3.4x. 85.7% of occupied housing units are owner-occupied. This homeownership rate is 34% higher than the state average of 63.7%.
Race & Ethnicity
The largest racial or ethnic group in Mendham borough is White (non-Hispanic), making up 81.8% of the population. Asian residents account for 6.6%. The White (non-Hispanic) population is significantly higher than the state average (81.8% vs 51.9%). The Black or African American population (0.0%) is well below the state average of 12.3%. The Hispanic or Latino population (5.6%) is well below the state average of 21.9%.
Education
79.2% of residents aged 25 and older hold a bachelor's degree or higher. This places Mendham borough in the top 10% of all cities in the state for educational attainment. This is 84% higher than the state rate of 42.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.8%. Notably, 38.9% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Mendham borough, New Jersey is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against New Jersey state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 700 Census-designated places in New Jersey. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Mendham borough, New Jersey?
Mendham borough, New Jersey has a population of 4,977 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mendham borough, NJ?
The median household income in Mendham borough is $223,750, which is 185% higher the national median of $78,538.
What is the poverty rate in Mendham borough, NJ?
The poverty rate in Mendham borough is 2.2%. This means approximately 106 residents live below the federal poverty line.
What is the racial makeup of Mendham borough, New Jersey?
Mendham borough's population is 81.8% White, 0.0% Black, 5.6% Hispanic/Latino, and 6.6% Asian.
What is the median home value in Mendham borough, NJ?
The median home value in Mendham borough is $764,000. The home-value-to-income ratio is 3.4x.
How educated is Mendham borough, New Jersey?
79.2% of adults (25+) in Mendham borough hold a bachelor's degree or higher, and 38.9% hold a graduate or professional degree.