| Place Name | Siesta Key |
| Place Type | Census Designated Place |
| ZIP Code(s) | 34242 |
| County | Sarasota County |
| Area Code(s) | 941 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 6,433 |
| Population Growth Rate (2010-19) | -16.92% |
| Majority Ethnicity | White 95.02% |
| Metro/Micro Stats Area | North Port-Sarasota-Bradenton, FL |
| US Congressional District(s) | Florida 16th |
| State House Districts | 72 |
| State Senate Districts | 23 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.02% |
| African American | 0% |
| Hispanic | 0.37% |
| Asian | 1.84% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.77% |