| Place Name | Calhoun |
| Place Type | City |
| ZIP Code(s) | 65323 |
| County | Henry County |
| Area Code(s) | 660 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 423 |
| Population Growth Rate (2010-19) | -16.42% |
| Majority Ethnicity | White 96.22% |
| US Congressional District(s) | Missouri 4th |
| State House Districts | 57 |
| State Senate Districts | 31 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.22% |
| African American | 0% |
| Hispanic | 2.06% |
| Asian | 0.69% |
| Native American | 0.34% |
| Hawaiin/Pacific Islander | 0.69% |