| Index | Mendham | New Jersey | National |
| Income per capita | $125,198 | $55,297 | $44,883 |
| Median household income | $252,986 | $108,915 | $81,333 |
| Median income owner occupied | $285,271 | $143,334 | $106,172 |
| Median income renter occupied | $86,100 | $61,880 | $52,080 |
| Median earnings male | $169,893 | $69,742 | $54,343 |
| Median earnings female | $77,971 | $46,406 | $38,439 |
| Unemployment rate | 1.7% | 5.4% | 4.9% |
| Poverty level | 1.8% | 10.9% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 7.0% | 7.0% |
| Manufacturing sector | 12.8% | 12.8% |
| Financial & insurance services | 16.5% | 16.5% |
| Wholesale & retail services | 10.4% | 10.4% |
| Public administration | 2.6% | 2.6% |
| Transportation, warehousing & utilities | 1.5% | 1.5% |
| Education, health & social services | 8.6% | 8.6% |
| Other | 35.1% | 35.1% |
| City | Population | Household Income | National Avg. |
| Short Hills, NJ | 14,190 | $375,147 | 361.2% |
| Mountain Lakes, NJ | 4,398 | $339,890 | 317.9% |
| Chatham, NJ | 8,913 | $296,410 | 264.4% |
| Allamuchy, NJ | 116 | $272,731 | 235.3% |
| Fanwood, NJ | 7,886 | $258,696 | 218.1% |
| Mendham, NJ | 5,076 | $252,986 | 211.0% |
| City | Population | Household Income | National Avg. |
| Hazard, KY | 5,076 | $81,841 | 0.6% |
| Ironwood, MI | 5,076 | $41,300 | 49.2% |
| Watseka, IL | 5,075 | $57,400 | 29.4% |
| Winslow, ME | 5,075 | $70,080 | 13.8% |
| Los Chaves, NM | 5,075 | $102,549 | 26.1% |
| Mendham, NJ | 5,076 | $252,986 | 211.0% |