Demographics & People — New Hampshire, Ohio
Population Overview
| Population (Census) | 505 |
| Estimated 2026 | ~300 |
| Median Age | 48.0 |
| Total Households | 136 |
| Family Households | 136 |
| Average Household Size | 3.71 |
| Diversity Index | 0.0 (relatively homogeneous) |
Race & Ethnicity
| White | 505 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 343 |
| Irish | 57 |
| Scottish | 49 |
| Italian | 14 |
Language
| English Only | 505 |
| Spanish | 0 |
| Population 5+ | 505 |
Veterans
| Veterans | 0 |
| Population 18+ | 258 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for New Hampshire, Ohio.