| Place Name | Washington |
| Place Type | City |
| ZIP Code(s) | 66968 |
| County | Washington County |
| Area Code(s) | 785 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 1,239 |
| Population Growth Rate (2010-19) | -5.31% |
| Majority Ethnicity | White 94.91% |
| US Congressional District(s) | Kansas 1st |
| State House Districts | 106 |
| State Senate Districts | 36 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.91% |
| African American | 0.09% |
| Hispanic | 0% |
| Asian | 0.66% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.34% |