| Place Name | Post Oak Township |
| Place Type | Township |
| ZIP Code(s) | 64093 64733 64761 65336 |
| County | Johnson County |
| Area Code(s) | 660 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 2,207 |
| Majority Ethnicity | White 96.06% |
| Metro/Micro Stats Area | Warrensburg, MO |
| US Congressional District(s) | Missouri 4th |
| State House Districts | 54 |
| State Senate Districts | 21 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.06% |
| African American | 1.04% |
| Hispanic | 0.68% |
| Asian | 0.73% |
| Native American | 0.09% |
| Hawaiin/Pacific Islander | 1.41% |