| Index | Interlaken | New Jersey | National |
| Income per capita | $72,474 | $37,538 | $29,829 |
| Median household income | $123,750 | $73,702 | $55,322 |
| Median income owner occupied | $130,313 | $97,281 | $70,586 |
| Median income renter occupied | $0 | $42,169 | $35,192 |
| Median earnings male | $84,000 | $47,369 | $36,919 |
| Median earnings female | $54,375 | $32,116 | $26,250 |
| Unemployment rate | 2.4% | 5.2% | 4.7% |
| 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 | 6,757 | $222,237 | 301.7% |
| Little Silver, NJ | 5,817 | $202,875 | 266.7% |
| Fair Haven, NJ | 5,833 | $184,201 | 233.0% |
| Robertsville, NJ | 11,866 | $169,094 | 205.7% |
| Sea Girt, NJ | 1,725 | $164,602 | 197.5% |
| Interlaken, NJ | 747 | $123,750 | 123.7% |
| City | Population | Household Income | National Avg. |
| Town of Pines, IN | 747 | $46,932 | 15.2% |
| Gray, ME | 747 | $65,100 | 17.7% |
| Karlstad, MN | 747 | $48,462 | 12.4% |
| Twin Valley, MN | 747 | $46,304 | 16.3% |
| Meadville, MS | 747 | $47,296 | 14.5% |
| Interlaken, NJ | 747 | $123,750 | 123.7% |
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