| Place Name | Mars Hill |
| Place Type | Census Designated Place |
| ZIP Code(s) | 04758 |
| County | Aroostook County |
| Area Code(s) | 207 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 1,119 |
| Population Growth Rate (2010-19) | -16.53% |
| Majority Ethnicity | White 99% |
| US Congressional District(s) | Maine 2nd |
| State House Districts | 146 |
| State Senate Districts | 2 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99% |
| African American | 0.1% |
| Hispanic | 0.7% |
| Asian | 0.1% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.1% |