| Place Name | Washington Township (Pettis County) |
| Place Type | Township |
| ZIP Code(s) | 65301 65332 65335 65360 |
| County | Pettis County |
| Area Code(s) | 660 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 839 |
| Majority Ethnicity | White 98.56% |
| Metro/Micro Stats Area | Sedalia, MO |
| US Congressional District(s) | Missouri 4th |
| State House Districts | 54 |
| State Senate Districts | 28 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.56% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.44% |