Demographics & People — Plainfield, New Hampshire
Population Overview
| Population (Census) | 237 |
| Estimated 2026 | ~200 |
| Median Age | 31.8 |
| Total Households | 79 |
| Family Households | 62 |
| Average Household Size | 3.0 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 224 |
| Black or African American | 10 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| English | 60 |
| Unclassified or not reported | 30 |
| Irish | 29 |
| French (except Basque) | 26 |
| Swedish | 17 |
| Italian | 16 |
| German | 13 |
| Other groups | 13 |
| American | 9 |
| Scottish | 8 |
Language
| English Only | 220 |
| Spanish | 0 |
| Population 5+ | 220 |
Veterans
| Veterans | 18 |
| Population 18+ | 169 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Plainfield, New Hampshire.