| Place Name | Plymouth |
| Place Type | Town |
| ZIP Code(s) | 06782 |
| County | Litchfield County |
| Area Code(s) | 860,959 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 11,705 |
| Majority Ethnicity | White 91.15% |
| Metro/Micro Stats Area | Torrington, CT |
| US Congressional District(s) | Connecticut 5th |
| State House Districts | 78 |
| State Senate Districts | 31 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.15% |
| African American | 1.09% |
| Hispanic | 0.05% |
| Asian | 0.3% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 7.41% |