| Place Name | Summersville |
| Place Type | City |
| ZIP Code(s) | 65571 |
| County | Texas County |
| Area Code(s) | 417 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 513 |
| Population Growth Rate (2010-19) | -9.76% |
| Majority Ethnicity | White 99.18% |
| US Congressional District(s) | Missouri 8th |
| State House Districts | 142 |
| State Senate Districts | 33 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.18% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0.82% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |