Demographics & People — St. Johns, Ohio
Population Overview
| Population (Census) | 315 |
| Estimated 2026 | ~0 |
| Median Age | 44.0 |
| Total Households | 104 |
| Family Households | 84 |
| Average Household Size | 3.03 |
| Diversity Index | 0.063 (relatively homogeneous) |
Race & Ethnicity
| White | 297 |
| Black or African American | 10 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 104 |
| Unclassified or not reported | 95 |
| Irish | 49 |
| Scottish | 46 |
| Other groups | 28 |
| Scotch-Irish | 17 |
| Italian | 15 |
| Norwegian | 9 |
| English | 8 |
| Portuguese | 6 |
Language
| English Only | 299 |
| Spanish | 0 |
| Population 5+ | 299 |
Veterans
| Veterans | 25 |
| Population 18+ | 235 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for St. Johns, Ohio.