| Index | Mountain Lake | New Jersey | National |
| Income per capita | $68,594 | $55,297 | $44,883 |
| Median household income | $118,206 | $108,915 | $81,333 |
| Median income owner occupied | $124,454 | $143,334 | $106,172 |
| Median income renter occupied | $80,680 | $61,880 | $52,080 |
| Median earnings male | $75,467 | $69,742 | $54,343 |
| Median earnings female | $43,901 | $46,406 | $38,439 |
| Unemployment rate | 3.7% | 5.4% | 4.9% |
| Poverty level | 4.4% | 10.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 2.5% | 2.5% |
| Manufacturing sector | 8.5% | 8.5% |
| Financial & insurance services | 6.5% | 6.5% |
| Wholesale & retail services | 30.7% | 30.7% |
| Public administration | 11.6% | 11.6% |
| Transportation, warehousing & utilities | 18.1% | 18.1% |
| Education, health & social services | 10.6% | 10.6% |
| Other | 11.6% | 11.6% |
| City | Population | Household Income | National Avg. |
| Allamuchy, NJ | 116 | $272,731 | 235.3% |
| Hutchinson, NJ | 124 | $223,808 | 175.2% |
| Bridgeville, NJ | 317 | $217,065 | 166.9% |
| Mount Hermon, NJ | 166 | $203,416 | 150.1% |
| Delaware Park, NJ | 341 | $196,644 | 141.8% |
| Mountain Lake, NJ | 584 | $118,206 | 45.3% |
| City | Population | Household Income | National Avg. |
| Norfork, AR | 584 | $44,587 | 45.2% |
| Peeples Valley, AZ | 584 | $74,976 | 7.8% |
| Mountain View, CO | 584 | $90,259 | 11.0% |
| Fairfield, ID | 584 | $55,886 | 31.3% |
| Ansley, NE | 584 | $88,468 | 8.8% |
| Mountain Lake, NJ | 584 | $118,206 | 45.3% |