| Index | Sullivan's Island | South Carolina | National |
| Income per capita | $138,037 | $37,827 | $44,883 |
| Median household income | $222,978 | $68,647 | $81,333 |
| Median income owner occupied | $228,706 | $87,094 | $106,172 |
| Median income renter occupied | $147,750 | $44,371 | $52,080 |
| Median earnings male | $134,126 | $46,426 | $54,343 |
| Median earnings female | $0 | $34,595 | $38,439 |
| Unemployment rate | 2.8% | 5.3% | 4.9% |
| Poverty level | 13.7% | 17.2% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 2.6% | 2.6% |
| Manufacturing sector | 5.7% | 5.7% |
| Financial & insurance services | 6.2% | 6.2% |
| Wholesale & retail services | 8.0% | 8.0% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 3.8% | 3.8% |
| Education, health & social services | 15.3% | 15.3% |
| Other | 56.3% | 56.3% |
| City | Population | Household Income | National Avg. |
| Kiawah Island, SC | 1,832 | $300,296 | 269.2% |
| Isle of Palms, SC | 4,493 | $190,737 | 134.5% |
| Mount Pleasant, SC | 91,527 | $153,267 | 88.4% |
| Folly Beach, SC | 2,735 | $131,824 | 62.1% |
| James Island, SC | 12,534 | $121,553 | 49.5% |
| Sullivan's Island, SC | 2,226 | $222,978 | 174.2% |
| City | Population | Household Income | National Avg. |
| Lake Hamilton, AR | 2,226 | $67,926 | 16.5% |
| Imperial, NE | 2,226 | $90,351 | 11.1% |
| Glasco, NY | 2,226 | $59,875 | 26.4% |
| Cave Junction, OR | 2,226 | $43,729 | 46.2% |
| Manchester, MI | 2,225 | $95,094 | 16.9% |
| Sullivan's Island, SC | 2,226 | $222,978 | 174.2% |