Demographics & People — Massieville, Ohio
Population Overview
| Population (Census) | 415 |
| Estimated 2026 | ~1,800 |
| Median Age | 33.0 |
| Total Households | 183 |
| Family Households | 142 |
| Average Household Size | 2.27 |
| Diversity Index | 0.0424 (relatively homogeneous) |
Race & Ethnicity
| White | 406 |
| Black or African American | 9 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 225 |
| German | 184 |
| American | 172 |
| Other groups | 101 |
| Irish | 67 |
| Scottish | 42 |
| Dutch | 34 |
| Welsh | 31 |
| Canadian | 27 |
Language
| English Only | 314 |
| Spanish | 0 |
| Population 5+ | 314 |
Veterans
| Veterans | 42 |
| Population 18+ | 540 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Massieville, Ohio.