| Index | Island Heights | New Jersey | National |
| Income per capita | $49,899 | $37,538 | $29,829 |
| Median household income | $90,789 | $73,702 | $55,322 |
| Median income owner occupied | $92,188 | $97,281 | $70,586 |
| Median income renter occupied | $85,893 | $42,169 | $35,192 |
| Median earnings male | $51,830 | $47,369 | $36,919 |
| Median earnings female | $39,063 | $32,116 | $26,250 |
| Unemployment rate | 2.5% | 5.2% | 4.7% |
| Poverty level | 0.1% | 10.9% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 7.2% | 7.2% |
| Manufacturing sector | 9.3% | 9.3% |
| Financial & insurance services | 4.8% | 4.8% |
| Wholesale & retail services | 14.4% | 14.4% |
| Public administration | 8.8% | 8.8% |
| Transportation, warehousing & utilities | 0.8% | 0.8% |
| Education, health & social services | 21.8% | 21.8% |
| Other | 26.9% | 26.9% |
| City | Population | Household Income | National Avg. |
| Sea Girt, NJ | 1,725 | $164,602 | 197.5% |
| Brielle, NJ | 4,683 | $149,015 | 169.4% |
| Mantoloking, NJ | 474 | $146,250 | 164.4% |
| Ramtown, NJ | 6,354 | $133,088 | 140.6% |
| Allenwood, NJ | 857 | $131,681 | 138.0% |
| Island Heights, NJ | 1,480 | $90,789 | 64.1% |
| City | Population | Household Income | National Avg. |
| Manly, IA | 1,480 | $66,964 | 21.0% |
| St. David, AZ | 1,481 | $44,722 | 19.2% |
| Lewiston, CA | 1,481 | $49,818 | 9.9% |
| Greenfield, IL | 1,481 | $50,139 | 9.4% |
| Markle, IN | 1,481 | $52,333 | 5.4% |
| Island Heights, NJ | 1,480 | $90,789 | 64.1% |
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