| Place Name | Tehuacana |
| Place Type | Town |
| ZIP Code(s) | 76667 |
| County | Limestone County |
| Area Code(s) | 254 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 239 |
| Population Growth Rate (2010-19) | -19.43% |
| Majority Ethnicity | White 82.11% |
| US Congressional District(s) | Texas 17th |
| State House Districts | 12 |
| State Senate Districts | 5 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 82.11% |
| African American | 16.51% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.38% |