| Place Name | Clarksville |
| Place Type | City |
| ZIP Code(s) | 75426 |
| County | Red River County |
| Area Code(s) | 430,903 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 3,279 |
| Population Growth Rate (2010-19) | -13.03% |
| Majority Ethnicity | White 53.5% |
| US Congressional District(s) | Texas 4th |
| State House Districts | 1 |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 53.5% |
| African American | 43.08% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.42% |