| Place Name | Washington Township (Buchanan County) |
| Place Type | Township |
| County | Buchanan County |
| Area Code(s) | 816,975 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 75,267 |
| Majority Ethnicity | White 83.83% |
| Metro/Micro Stats Area | St. Joseph, MO-KS |
| US Congressional District(s) | Missouri 6th |
| State House Districts | 9,10,11 |
| State Senate Districts | 34 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 83.83% |
| African American | 5.95% |
| Hispanic | 0.46% |
| Asian | 1.57% |
| Native American | 0.78% |
| Hawaiin/Pacific Islander | 7.42% |