| Place Name | Plainfield |
| Place Type | Town |
| ZIP Code(s) | 06374 |
| County | Windham County |
| Area Code(s) | 860,959 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 14,991 |
| Majority Ethnicity | White 90.84% |
| Metro/Micro Stats Area | Worcester, MA-CT |
| US Congressional District(s) | Connecticut 2nd |
| State House Districts | 44,45 |
| State Senate Districts | 18 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 90.84% |
| African American | 4.01% |
| Hispanic | 0.38% |
| Asian | 1.89% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.88% |