| Place Name | Richwoods Township (Washington County) |
| Place Type | Township |
| County | Washington County |
| Area Code(s) | 573,636 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 1,546 |
| Majority Ethnicity | White 97.12% |
| US Congressional District(s) | Missouri 8th |
| State House Districts | 118,119 |
| State Senate Districts | 3 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.12% |
| African American | 0.92% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.96% |