| Place Name | Napoleon |
| Place Type | City |
| ZIP Code(s) | 64074 |
| County | Lafayette County |
| Area Code(s) | 816,975 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 252 |
| Population Growth Rate (2010-19) | -4.95% |
| Majority Ethnicity | White 95.91% |
| Metro/Micro Stats Area | Kansas City, MO-KS |
| US Congressional District(s) | Missouri 5th |
| State House Districts | 53 |
| State Senate Districts | 21 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.91% |
| African American | 0% |
| Hispanic | 2.92% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.17% |