| Place Name | Greenville (town) |
| Place Type | Town |
| ZIP Code(s) | 04441 04442 04443 04464 |
| County | Piscataquis County |
| Area Code(s) | 207 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 1,464 |
| Majority Ethnicity | White 98.28% |
| US Congressional District(s) | Maine 2nd |
| State House Districts | 119 |
| State Senate Districts | 4 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.28% |
| African American | 0.07% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.66% |