Demographics & People — Coolville, Ohio
Population Overview
| Population (Census) | 595 |
| Estimated 2026 | ~900 |
| Median Age | 42.0 |
| Total Households | 242 |
| Family Households | 147 |
| Average Household Size | 2.46 |
| Diversity Index | 0.0374 (relatively homogeneous) |
Race & Ethnicity
| White | 568 |
| Black or African American | 0 |
| Asian | 9 |
| Hispanic or Latino | 2 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 244 |
| German | 124 |
| Other groups | 79 |
| Irish | 48 |
| English | 45 |
| American | 42 |
| Czech | 21 |
| Scotch-Irish | 20 |
| Greek | 19 |
| Scottish | 15 |
Language
| English Only | 563 |
| Spanish | 0 |
| Population 5+ | 581 |
Veterans
| Veterans | 34 |
| Population 18+ | 476 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Coolville, Ohio.