Demographics & People — St. Marys, Ohio
Population Overview
| Population (Census) | 8,319 |
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| Estimated 2026 | ~8,300 |
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| Median Age | 36.6 |
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| Total Households | 3,490 |
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| Family Households | 2,174 |
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| Average Household Size | 2.36 |
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| Diversity Index | 0.056 (relatively homogeneous) |
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Race & Ethnicity
| White | 7,896 |
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| Black or African American | 117 |
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| Asian | 43 |
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| Hispanic or Latino | 72 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 3,158 |
| Unclassified or not reported | 2,820 |
| Irish | 1,119 |
| Other groups | 806 |
| English | 619 |
| French (except Basque) | 545 |
| American | 521 |
| Scottish | 185 |
| Dutch | 139 |
| Italian | 125 |
Language
| English Only | 7,471 |
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| Spanish | 6 |
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| Population 5+ | 7,648 |
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Veterans
| Veterans | 504 |
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| Population 18+ | 6,448 |
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Commuting
| Mean Commute Time | 15.7 minutes |
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| Work from Home | 2.1% |
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| Commuter Profile | N/A |
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Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for St. Marys, Ohio.
