| Place Name | Clay Township (Atchison County) |
| Place Type | Township |
| ZIP Code(s) | 64446 64482 64491 |
| County | Atchison County |
| Area Code(s) | 660 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 1,900 |
| Majority Ethnicity | White 96.96% |
| US Congressional District(s) | Missouri 6th |
| State House Districts | 1 |
| State Senate Districts | 12 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.96% |
| African American | 0.37% |
| Hispanic | 0.75% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.92% |