| Place Name | Simpson Township |
| Place Type | Township |
| ZIP Code(s) | 64020 64037 64093 65336 |
| County | Johnson County |
| Area Code(s) | 660 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 1,204 |
| Majority Ethnicity | White 99.5% |
| Metro/Micro Stats Area | Warrensburg, MO |
| US Congressional District(s) | Missouri 4th |
| State House Districts | 51,53 |
| State Senate Districts | 21 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.5% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.5% |