| Name | Belmont County |
| State | Ohio |
| FIPS Code | 39013 |
| County Seat | St. Clairsville |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 64,980 |
| Population Growth Rate(2020-2024) | -2.33% |
| Majority Ethnicity | White 94.73% |
| Public School Majority Ethnicity | White 91% |
| Partisan Voting Index | Strongly Republican:+24 |
| Unemployment Rate (May 2026) | 5.8% |
| Sales Tax Rate (2025) | 7.25% |
| Area Code(s) | 220 / 740 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 94.73% |
| African American | 3.21% |
| Hispanic | 1.32% |
| Asian | 0.61% |
| Native American | 0.1% |
| Hawaiin/Pacific Islander | 0.05% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 91.36% |
| African American | 1.93% |
| Hispanic | 1.44% |
| Asian | 0.26% |
| Native American | 0.08% |
| Hawaiin/Pacific Islander | 0.02% |