| Place Name | Clarksville |
| Place Type | Town |
| ZIP Code(s) | 47129 |
| County | Clark County |
| Area Code(s) | 812,930 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 22,122 |
| Population Growth Rate (2010-19) | 2.80% |
| Majority Ethnicity | White 81.54% |
| Metro/Micro Stats Area | Louisville/Jefferson County, KY-IN |
| US Congressional District(s) | Indiana 9th |
| State House Districts | 71 |
| State Senate Districts | 46 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 81.54% |
| African American | 5.94% |
| Hispanic | 0.34% |
| Asian | 1.12% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 11.06% |