| Place Name | Clarno |
| Place Type | Town |
| ZIP Code(s) | 53566 |
| County | Green County |
| Area Code(s) | 608 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 1,296 |
| Majority Ethnicity | White 93.88% |
| Metro/Micro Stats Area | Madison, WI |
| US Congressional District(s) | Wisconsin 2nd |
| State Assembly Districts | 51 |
| State Senate Districts | 17 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.88% |
| African American | 3.59% |
| Hispanic | 0% |
| Asian | 0.84% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.68% |