| Place Name | Matinicus Isle |
| Place Type | Plantation |
| ZIP Code(s) | 04851 04854 |
| County | Knox County |
| Area Code(s) | 207 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 69 |
| Majority Ethnicity | White 100% |
| US Congressional District(s) | Maine 1st |
| State House Districts | 92 |
| State Senate Districts | 12 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 100% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |