Demographics & People — Senecaville, Ohio
Population Overview
| Population (Census) | 367 |
| Estimated 2026 | ~500 |
| Median Age | 40.1 |
| Total Households | 175 |
| Family Households | 99 |
| Average Household Size | 2.1 |
| Diversity Index | 0.0109 (relatively homogeneous) |
Race & Ethnicity
| White | 362 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 2 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 144 |
| Irish | 137 |
| German | 55 |
| Other groups | 45 |
| English | 38 |
| American | 32 |
| Dutch | 24 |
| Hungarian | 18 |
| Welsh | 11 |
| Czechoslovakian | 9 |
Language
| English Only | 356 |
| Spanish | 0 |
| Population 5+ | 356 |
Veterans
| Veterans | 38 |
| Population 18+ | 370 |
Commuting
| Mean Commute Time | 26.3 minutes |
| Work from Home | 0.0% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Senecaville, Ohio.