| Index | Key Biscayne | Florida | National |
| Income per capita | $78,732 | $27,598 | $29,829 |
| Median household income | $166,667 | $48,900 | $55,322 |
| Median income owner occupied | $198,036 | $59,209 | $70,586 |
| Median income renter occupied | $95,580 | $34,622 | $35,192 |
| Median earnings male | $105,807 | $31,444 | $36,919 |
| Median earnings female | $37,159 | $25,332 | $26,250 |
| Unemployment rate | 2.7% | 4.9% | 4.7% |
| Poverty level | 6.1% | 16.1% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 6.3% | 6.3% |
| Manufacturing sector | 3.7% | 3.7% |
| Financial & insurance services | 18.2% | 18.2% |
| Wholesale & retail services | 11.6% | 11.6% |
| Public administration | 0.7% | 0.7% |
| Transportation, warehousing & utilities | 3.0% | 3.0% |
| Education, health & social services | 12.7% | 12.7% |
| Other | 39.2% | 39.2% |
| City | Population | Household Income | National Avg. |
| Fisher Island, FL | 360 | $227,827 | 311.8% |
| Pinecrest, FL | 19,183 | $164,419 | 197.2% |
| Miami Shores, FL | 10,372 | $125,202 | 126.3% |
| Palmetto Bay, FL | 24,308 | $123,235 | 122.8% |
| El Portal, FL | 2,066 | $108,750 | 96.6% |
| Key Biscayne, FL | 12,867 | $166,667 | 201.3% |
| City | Population | Household Income | National Avg. |
| South Sioux City, NE | 12,867 | $56,744 | 2.6% |
| Kingston, PA | 12,859 | $49,888 | 9.8% |
| Willow Grove, PA | 12,881 | $85,904 | 55.3% |
| Edgewater, NJ | 12,890 | $130,267 | 135.5% |
| Glendale, WI | 12,890 | $76,940 | 39.1% |
| Key Biscayne, FL | 12,867 | $166,667 | 201.3% |