Demographics & People — Peninsula, Ohio
Population Overview
| Population (Census) | 601 |
| Estimated 2026 | ~500 |
| Median Age | 54.0 |
| Total Households | 258 |
| Family Households | 184 |
| Average Household Size | 2.33 |
| Diversity Index | 0.0616 (relatively homogeneous) |
Race & Ethnicity
| White | 551 |
| Black or African American | 2 |
| Asian | 2 |
| Hispanic or Latino | 14 |
Heritage & Ancestry
| Group | Count |
| German | 165 |
| Irish | 162 |
| Unclassified or not reported | 124 |
| Italian | 83 |
| Polish | 76 |
| English | 58 |
| Scottish | 40 |
| Slovak | 34 |
| Czech | 28 |
| Slovene | 28 |
Language
| English Only | 552 |
| Spanish | 33 |
| Population 5+ | 589 |
Veterans
| Veterans | 42 |
| Population 18+ | 528 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Peninsula, Ohio.