| Place Name | Washington Township (Montgomery County) |
| Place Type | Township |
| ZIP Code(s) | 45342 45429 45440 45458 45459 |
| County | Montgomery County |
| Area Code(s) | 326,937 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 61,020 |
| Majority Ethnicity | White 83.81% |
| Metro/Micro Stats Area | Dayton-Kettering, OH |
| US Congressional District(s) | Ohio 10th |
| State House Districts | 41,42 |
| State Senate Districts | 6 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 83.81% |
| African American | 6.03% |
| Hispanic | 0.09% |
| Asian | 5.5% |
| Native American | 0.04% |
| Hawaiin/Pacific Islander | 4.53% |