| Place Name | Altha |
| Place Type | Town |
| ZIP Code(s) | 32421 |
| County | Calhoun County |
| Area Code(s) | 850 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 417 |
| Population Growth Rate (2010-19) | -7.46% |
| Majority Ethnicity | White 87.68% |
| US Congressional District(s) | Florida 2nd |
| State House Districts | 7 |
| State Senate Districts | 3 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 87.68% |
| African American | 0% |
| Hispanic | 1.43% |
| Asian | 8.04% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.86% |