| Place Name | Westport Island |
| Place Type | Town |
| ZIP Code(s) | 04530 04578 04579 |
| County | Lincoln County |
| Area Code(s) | 207 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 863 |
| Majority Ethnicity | White 94.4% |
| US Congressional District(s) | Maine 1st |
| State House Districts | 89 |
| State Senate Districts | 13 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.4% |
| African American | 1.17% |
| Hispanic | 0.35% |
| Asian | 1.05% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.03% |