| Place Name | Cudjoe Key |
| Place Type | Census Designated Place |
| ZIP Code(s) | 33042 |
| County | Monroe County |
| Area Code(s) | 305,786 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 1,837 |
| Population Growth Rate (2010-19) | 14.52% |
| Majority Ethnicity | White 90.56% |
| 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 | 90.56% |
| African American | 0.4% |
| Hispanic | 0% |
| Asian | 0.75% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.29% |