| Index | Sea Isle City | New Jersey | National |
| Income per capita | $58,762 | $37,538 | $29,829 |
| Median household income | $76,875 | $73,702 | $55,322 |
| Median income owner occupied | $84,250 | $97,281 | $70,586 |
| Median income renter occupied | $43,500 | $42,169 | $35,192 |
| Median earnings male | $43,750 | $47,369 | $36,919 |
| Median earnings female | $27,422 | $32,116 | $26,250 |
| Unemployment rate | 2.6% | 5.2% | 4.7% |
| Poverty level | 6.5% | 10.9% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 12.4% | 12.4% |
| Manufacturing sector | 5.8% | 5.8% |
| Financial & insurance services | 2.3% | 2.3% |
| Wholesale & retail services | 15.9% | 15.9% |
| Public administration | 6.6% | 6.6% |
| Transportation, warehousing & utilities | 3.5% | 3.5% |
| Education, health & social services | 10.1% | 10.1% |
| Other | 38.6% | 38.6% |
| City | Population | Household Income | National Avg. |
| Avalon, NJ | 1,456 | $120,000 | 116.9% |
| Linwood, NJ | 6,719 | $116,058 | 109.8% |
| Stone Harbor, NJ | 876 | $110,625 | 100.0% |
| Longport, NJ | 803 | $107,813 | 94.9% |
| Margate City, NJ | 5,921 | $101,354 | 83.2% |
| Sea Isle City, NJ | 2,122 | $76,875 | 39.0% |
| City | Population | Household Income | National Avg. |
| Thorsby, AL | 2,122 | $55,978 | 1.2% |
| Moundridge, KS | 2,121 | $43,750 | 20.9% |
| Eureka Mill, SC | 2,121 | $31,138 | 43.7% |
| Lillian, AL | 2,120 | $50,035 | 9.6% |
| South Taft, CA | 2,120 | $28,452 | 48.6% |
| Sea Isle City, NJ | 2,122 | $76,875 | 39.0% |
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