| Place Name | Sumner |
| Place Type | Town |
| ZIP Code(s) | 04292 |
| County | Oxford County |
| Area Code(s) | 207 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 1,024 |
| Majority Ethnicity | White 97.03% |
| US Congressional District(s) | Maine 2nd |
| State House Districts | 115 |
| State Senate Districts | 18 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.03% |
| African American | 0% |
| Hispanic | 2.97% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |