| Place Name | Cohasset |
| Place Type | Town |
| ZIP Code(s) | 02025 |
| County | Norfolk County |
| Area Code(s) | 339,781 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 8,295 |
| Majority Ethnicity | White 96.47% |
| Metro/Micro Stats Area | Boston-Cambridge-Newton, MA-NH |
| US Congressional District(s) | Massachusetts 8th |
| State House Districts | 3rd Plymouth |
| State Senate Districts | Plymouth and Norfolk |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.47% |
| African American | 1.06% |
| Hispanic | 0.42% |
| Asian | 0.41% |
| Native American | 0.41% |
| Hawaiin/Pacific Islander | 1.24% |