| Index | Duck Key | Florida | National |
| Median home price | $1,881,700 | $299,597 | $326,622 |
| Median rent asked | $0 | $1,557 | $1,444 |
| Avg. people per household | 2.0 | 2.6 | 2.6 |
| Owner occupied households | 76.1% | 64.8% | 63.6% |
| Renter occupied households | 23.9% | 35.2% | 36.4% |

| Population | Home Price | National Avg. | |
| Layton, FL | 110 | $802,141 | 146% |
| Marathon, FL | 8,934 | $949,169 | 191% |
| Key Colony Beach, FL | 543 | $1,063,628 | 226% |
| Duck Key, FL | 780 | $1,881,700 | 476% |
| Population | Home Price | National Avg. | |
| Ranchos Penitas West, TX | 780 | $0 | 100% |
| Dover, MN | 780 | $340,207 | 4% |
| Gorham, NY | 780 | $264,431 | 19% |
| Bryson, TX | 780 | $138,668 | 58% |
| Chevy Chase Section Five, MD | 780 | $2,435,383 | 646% |
| Duck Key, FL | 780 | $1,881,700 | 476% |