| Place Name | Clarksville Township |
| Place Type | Township |
| ZIP Code(s) | 68628 68638 68663 68826 |
| County | Merrick County |
| Area Code(s) | 308 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 664 |
| Majority Ethnicity | White 81.74% |
| Metro/Micro Stats Area | Grand Island, NE |
| US Congressional District(s) | Nebraska 3rd |
| State Legislature Districts | 34 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 81.74% |
| African American | 0.4% |
| Hispanic | 3.76% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 14.09% |