| Place Name | Castine (town) |
| Place Type | Town |
| ZIP Code(s) | 04421 04476 |
| County | Hancock County |
| Area Code(s) | 207 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 1,162 |
| Majority Ethnicity | White 94.83% |
| US Congressional District(s) | Maine 2nd |
| State House Districts | 133 |
| State Senate Districts | 8 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.83% |
| African American | 1.66% |
| Hispanic | 0% |
| Asian | 0.18% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.33% |