| Place Name | Gardner |
| Place Type | Census Designated Place |
| ZIP Code(s) | 33890 |
| County | Hardee County |
| Area Code(s) | 863 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 388 |
| Population Growth Rate (2010-19) | -21.38% |
| Majority Ethnicity | White 91.54% |
| Metro/Micro Stats Area | Wauchula, FL |
| US Congressional District(s) | Florida 17th |
| State House Districts | 56 |
| State Senate Districts | 26 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.54% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.46% |