Demographics & People — Brilliant, Ohio
Population Overview
| Population (Census) | 1,065 |
| Estimated 2026 | ~1,600 |
| Median Age | 46.0 |
| Total Households | 470 |
| Family Households | 269 |
| Average Household Size | 2.27 |
| Diversity Index | 0.0 (relatively homogeneous) |
Race & Ethnicity
| White | 1,022 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Irish | 361 |
| Unclassified or not reported | 343 |
| German | 244 |
| English | 133 |
| Italian | 97 |
| American | 63 |
| Polish | 59 |
| Other groups | 55 |
| Russian | 37 |
| Hungarian | 36 |
Language
| English Only | 1,047 |
| Spanish | 9 |
| Population 5+ | 1,056 |
Veterans
| Veterans | 51 |
| Population 18+ | 867 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Brilliant, Ohio.