Demographics & People — Triadelphia, West Virginia
Population Overview
| Population (Census) | 885 |
| Estimated 2026 | ~700 |
| Median Age | 45.0 |
| Total Households | 413 |
| Family Households | 300 |
| Average Household Size | 2.14 |
| Diversity Index | 0.0447 (relatively homogeneous) |
Race & Ethnicity
| White | 854 |
| Black or African American | 20 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 206 |
| German | 184 |
| Irish | 145 |
| Italian | 100 |
| American | 97 |
| English | 91 |
| Polish | 45 |
| Other groups | 42 |
| Greek | 38 |
| Croatian | 29 |
Language
| English Only | 885 |
| Spanish | 0 |
| Population 5+ | 885 |
Veterans
| Veterans | 58 |
| Population 18+ | 668 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Triadelphia, West Virginia.