| Index | Sea Isle City | New Jersey | National |
| Income per capita | $86,459 | $55,297 | $44,883 |
| Median household income | $112,758 | $108,915 | $81,333 |
| Median income owner occupied | $127,015 | $143,334 | $106,172 |
| Median income renter occupied | $64,841 | $61,880 | $52,080 |
| Median earnings male | $63,083 | $69,742 | $54,343 |
| Median earnings female | $39,787 | $46,406 | $38,439 |
| Unemployment rate | 2.7% | 5.4% | 4.9% |
| Poverty level | 6.5% | 10.9% | 15.1% |


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| 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 | 1,492 | $179,717 | 121.0% |
| Linwood, NJ | 6,935 | $170,259 | 109.3% |
| Stone Harbor, NJ | 904 | $166,380 | 104.6% |
| Longport, NJ | 834 | $163,658 | 101.2% |
| Margate City, NJ | 6,048 | $151,385 | 86.1% |
| Sea Isle City, NJ | 2,177 | $112,758 | 38.6% |
| City | Population | Household Income | National Avg. |
| Caledonia, NY | 2,177 | $94,702 | 16.4% |
| Blacksburg, SC | 2,177 | $28,943 | 64.4% |
| Pequot Lakes, MN | 2,176 | $82,190 | 1.1% |
| Watchtower, NY | 2,176 | $0 | 100.0% |
| Goliad, TX | 2,176 | $50,462 | 38.0% |
| Sea Isle City, NJ | 2,177 | $112,758 | 38.6% |