| Place Name | Duck Key |
| Place Type | Census Designated Place |
| ZIP Code(s) | 33050 |
| County | Monroe County |
| Area Code(s) | 305,786 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 534 |
| Population Growth Rate (2010-19) | 17.07% |
| Majority Ethnicity | White 82.46% |
| Metro/Micro Stats Area | Key West, FL |
| US Congressional District(s) | Florida 26th |
| State House Districts | 120 |
| State Senate Districts | 39 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 82.46% |
| African American | 5.45% |
| Hispanic | 0% |
| Asian | 3.44% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.65% |