Mendham is a borough located in Morris County, New Jersey. Mendham has a 2026 population of 5,021. Mendham is currently growing at a rate of 0.22% annually and its population has increased by 1.29% since the most recent census, which recorded a population of 4,957 in 2020.
The median household income in Mendham is $211,944 with a poverty rate of 3.52%. The median age in Mendham is 46.5 years: 47.6 years for males, and 46 years for females. For every 100 females there are 78.8 males.
Data after 2023 is projected based on recent change
Overall: 46.5 years
Female: 46 years
Male: 47.6 years
There are 3,788 adults, (1,051 of whom are seniors) in Mendham.
Female: 2,781 (55.9%)
Male: 2,192 (44.1%)
The racial composition of Mendham includes 80.41% White, 6.58% Asian, and smaller percentages for other race, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 3,999 | 80.41% |
| Two or more races | 597 | 12% |
| Asian | 327 | 6.58% |
| Other race | 28 | 0.56% |
| Black or African American | 22 | 0.44% |
Mendham 's average per capita income is $111,292. Household income levels show a median of $211,944. The poverty rate stands at 3.52%.
| Name | Median ↓ | Mean |
|---|---|---|
| Families | $250,001 | $359,433 |
| Married Families | $250,001 | - |
| Households | $211,944 | $308,830 |
| Non Families | $82,708 | $119,720 |
Average Income
Median Household Income
Poverty Rate