| Place Name | Sidney |
| Place Type | Town |
| ZIP Code(s) | 04330 04351 04963 04989 |
| County | Kennebec County |
| Area Code(s) | 207 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 4,615 |
| Majority Ethnicity | White 99.05% |
| Metro/Micro Stats Area | Augusta-Waterville, ME |
| US Congressional District(s) | Maine 2nd |
| State House Districts | 77 |
| State Senate Districts | 15 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.05% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.95% |