| Place Name | Prospect |
| Place Type | Town |
| ZIP Code(s) | 04438 04974 04981 |
| County | Waldo County |
| Area Code(s) | 207 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 795 |
| Majority Ethnicity | White 98.58% |
| US Congressional District(s) | Maine 2nd |
| State House Districts | 131 |
| State Senate Districts | 11 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.58% |
| African American | 0.26% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.16% |