Demographics & People — Barnesville, Ohio
Population Overview
| Population (Census) | 3,602 |
| Estimated 2026 | ~4,900 |
| Median Age | 38.7 |
| Total Households | 1,474 |
| Family Households | 848 |
| Average Household Size | 2.34 |
| Diversity Index | 0.0651 (relatively homogeneous) |
Race & Ethnicity
| White | 3,306 |
| Black or African American | 25 |
| Asian | 33 |
| Hispanic or Latino | 56 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 2,242 |
| German | 527 |
| Other groups | 297 |
| Irish | 241 |
| American | 215 |
| English | 209 |
| Polish | 148 |
| Scotch-Irish | 140 |
| Italian | 53 |
| African | 44 |
Language
| English Only | 3,391 |
| Spanish | 42 |
| Population 5+ | 3,466 |
Veterans
| Veterans | 172 |
| Population 18+ | 2,781 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Barnesville, Ohio.