| Index | Key Biscayne | Florida | National |
| Income per capita | $117,806 | $40,554 | $44,883 |
| Median household income | $250,720 | $72,078 | $81,333 |
| Median income owner occupied | $296,233 | $88,075 | $106,172 |
| Median income renter occupied | $140,056 | $51,794 | $52,080 |
| Median earnings male | $155,094 | $45,688 | $54,343 |
| Median earnings female | $55,392 | $37,493 | $38,439 |
| Unemployment rate | 2.9% | 5.2% | 4.9% |
| Poverty level | 6.1% | 16.1% | 15.1% |

| 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 | 367 | $345,858 | 325.2% |
| Pinecrest, FL | 19,841 | $249,223 | 206.4% |
| Miami Shores, FL | 10,653 | $186,160 | 128.9% |
| Palmetto Bay, FL | 25,232 | $181,108 | 122.7% |
| El Portal, FL | 2,111 | $162,249 | 99.5% |
| Key Biscayne, FL | 13,140 | $250,720 | 208.3% |
| City | Population | Household Income | National Avg. |
| St. Ann, MO | 13,143 | $70,440 | 13.4% |
| Greenville, OH | 13,135 | $59,910 | 26.3% |
| Martinsville, VA | 13,146 | $53,215 | 34.6% |
| Clarkston, GA | 13,147 | $59,653 | 26.7% |
| Meadville, PA | 13,127 | $58,934 | 27.5% |
| Key Biscayne, FL | 13,140 | $250,720 | 208.3% |