| Place Name | Decatur Township (Washington County) |
| Place Type | Township |
| ZIP Code(s) | 45723 45724 45742 45778 45784 |
| County | Washington County |
| Area Code(s) | 220,740 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 900 |
| Majority Ethnicity | White 96.06% |
| Metro/Micro Stats Area | Marietta, OH |
| US Congressional District(s) | Ohio 6th |
| State House Districts | 94 |
| State Senate Districts | 30 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.06% |
| African American | 3.01% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.93% |