Demographics & People — Millfield, Ohio
Population Overview
| Population (Census) | 112 |
| Estimated 2026 | ~900 |
| Median Age | 44.1 |
| Total Households | 73 |
| Family Households | 36 |
| Average Household Size | 1.53 |
| Diversity Index | 0.0521 (relatively homogeneous) |
Race & Ethnicity
| White | 109 |
| Black or African American | 3 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 160 |
| Irish | 132 |
| Unclassified or not reported | 76 |
| Eastern European | 11 |
| French Canadian | 11 |
Language
| English Only | 112 |
| Spanish | 0 |
| Population 5+ | 112 |
Veterans
| Veterans | 0 |
| Population 18+ | 195 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Millfield, Ohio.