| Name | Jefferson County |
| State | Ohio |
| FIPS Code | 39081 |
| County Seat | Steubenville |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 69,343 |
| Population Growth Rate(2000-2022) | -6.4% |
| Majority Ethnicity | White 93.76% |
| Public School Majority Ethnicity | White 82% |
| Partisan Voting Index | Strongly Republican:+22 |
| Unemployment Rate (June 2025) | 6.1% |
| Area Code(s) | 220 / 740 / 234 / 330 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 93.76% |
| African American | 5.56% |
| Hispanic | 0.06% |
| Asian | 0.62% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 81.59% |
| African American | 8.74% |
| Hispanic | 2.09% |
| Asian | 0.4% |
| Native American | 0.09% |
| Hawaiin/Pacific Islander | 0.12% |