| Index | Interlaken | New Jersey | National |
| Income per capita | $108,409 | $55,297 | $44,883 |
| Median household income | $187,778 | $108,915 | $81,333 |
| Median income owner occupied | $193,748 | $143,334 | $106,172 |
| Median income renter occupied | $0 | $61,880 | $52,080 |
| Median earnings male | $123,248 | $69,742 | $54,343 |
| Median earnings female | $80,024 | $46,406 | $38,439 |
| Unemployment rate | 3.6% | 5.4% | 4.9% |
| Poverty level | 5.1% | 10.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 5.1% | 5.1% |
| Manufacturing sector | 4.6% | 4.6% |
| Financial & insurance services | 11.2% | 11.2% |
| Wholesale & retail services | 16.8% | 16.8% |
| Public administration | 5.1% | 5.1% |
| Transportation, warehousing & utilities | 3.1% | 3.1% |
| Education, health & social services | 14.8% | 14.8% |
| Other | 35.2% | 35.2% |
| City | Population | Household Income | National Avg. |
| Rumson, NJ | 6,946 | $334,182 | 310.9% |
| Little Silver, NJ | 6,005 | $296,646 | 264.7% |
| Fair Haven, NJ | 6,065 | $270,969 | 233.2% |
| Robertsville, NJ | 12,178 | $256,738 | 215.7% |
| Sea Girt, NJ | 1,762 | $247,969 | 204.9% |
| Interlaken, NJ | 763 | $187,778 | 130.9% |
| City | Population | Household Income | National Avg. |
| Summerland, CA | 763 | $159,260 | 95.8% |
| Shannon, IL | 763 | $78,085 | 4.0% |
| Parkdale, MI | 763 | $50,134 | 38.4% |
| Superior, MT | 763 | $54,840 | 32.6% |
| Netarts, OR | 763 | $72,460 | 10.9% |
| Interlaken, NJ | 763 | $187,778 | 130.9% |