| Place Name | Adena |
| Place Type | Village |
| ZIP Code(s) | 43901 |
| County | Harrison County Jefferson County |
| Area Code(s) | 220,740 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 799 |
| Population Growth Rate (2010-19) | -12.52% |
| Majority Ethnicity | White 98.8% |
| Metro/Micro Stats Area | Weirton-Steubenville, WV-OH |
| US Congressional District(s) | Ohio 6th |
| State House Districts | 95,96 |
| State Senate Districts | 30 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.8% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.2% |