| Place Name | Plainfield (town) |
| Place Type | Town |
| County | Sullivan County |
| Area Code(s) | 603 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 2,694 |
| Majority Ethnicity | White 95.76% |
| Metro/Micro Stats Area | Lebanon, NH-VT |
| US Congressional District(s) | New Hampshire 2nd |
| State House Districts | Sullivan 1 |
| State Senate Districts | 5 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.76% |
| African American | 0.31% |
| Hispanic | 0% |
| Asian | 3.52% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.42% |