| Place Name | Smithville |
| Place Type | City |
| ZIP Code(s) | 64089 |
| County | Clay County |
| Area Code(s) | 816,975 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 8,411 |
| Population Growth Rate (2010-19) | 23.51% |
| Majority Ethnicity | White 96.82% |
| Metro/Micro Stats Area | Kansas City, MO-KS |
| US Congressional District(s) | Missouri 6th |
| State House Districts | 12 |
| State Senate Districts | 12 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.82% |
| African American | 0.68% |
| Hispanic | 0.3% |
| Asian | 1.03% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.17% |