| Name | Gallia County |
| State | Ohio |
| FIPS Code | 39053 |
| County Seat | Gallipolis |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 28,964 |
| Population Growth Rate(2020-2024) | -0.89% |
| Majority Ethnicity | White 96% |
| Public School Majority Ethnicity | White 93% |
| Partisan Voting Index | Strongly Republican:+30 |
| Unemployment Rate (May 2026) | 5.8% |
| Sales Tax Rate (2025) | 7.25% |
| Area Code(s) | 220 / 740 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 96% |
| African American | 2.07% |
| Hispanic | 1.07% |
| Asian | 0.86% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 93.4% |
| African American | 1.76% |
| Hispanic | 0.95% |
| Asian | 0.32% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |