| Place Name | Winthrop |
| Place Type | Census Designated Place |
| ZIP Code(s) | 04364 |
| County | Kennebec County |
| Area Code(s) | 207 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 2,733 |
| Population Growth Rate (2010-19) | 0.60% |
| Majority Ethnicity | White 96.73% |
| Metro/Micro Stats Area | Augusta-Waterville, ME |
| US Congressional District(s) | Maine 1st |
| State House Districts | 81 |
| State Senate Districts | 14 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.73% |
| African American | 2.61% |
| Hispanic | 0.66% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |