| Place Name | Lewistown |
| Place Type | Town |
| ZIP Code(s) | 63452 |
| County | Lewis County |
| Area Code(s) | 573 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 537 |
| Population Growth Rate (2010-19) | -2.43% |
| Majority Ethnicity | White 97.6% |
| Metro/Micro Stats Area | Quincy, IL-MO |
| US Congressional District(s) | Missouri 6th |
| State House Districts | 4 |
| State Senate Districts | 18 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.6% |
| African American | 1.92% |
| Hispanic | 0.48% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |