| Place Name | Plattin Township |
| Place Type | Township |
| ZIP Code(s) | 63020 63028 63087 63627 |
| County | Jefferson County |
| Area Code(s) | 636 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 11,605 |
| Majority Ethnicity | White 96.07% |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Missouri 8th |
| State House Districts | 115 |
| State Senate Districts | 3 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.07% |
| African American | 0.19% |
| Hispanic | 0.09% |
| Asian | 2.64% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1% |