| Name | Washington County |
| State | Ohio |
| FIPS Code | 39167 |
| County Seat | Marietta |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 61,751 |
| Population Growth Rate(2000-2022) | -3.25% |
| Majority Ethnicity | White 97.75% |
| Public School Majority Ethnicity | White 93% |
| Partisan Voting Index | Republican:+19 |
| Unemployment Rate (November 2024) | 4.9% |
| Area Code(s) | 220 / 740 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 97.75% |
| African American | 1.25% |
| Hispanic | 0.2% |
| Asian | 0.8% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 92.93% |
| African American | 0.68% |
| Hispanic | 1.8% |
| Asian | 0.5% |
| Native American | 0.08% |
| Hawaiin/Pacific Islander | 0.09% |