| Place Name | Frontier Township |
| Place Type | Township |
| ZIP Code(s) | 63301 63303 63376 |
| County | Saint Charles County |
| Area Code(s) | 636 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 26,196 |
| Majority Ethnicity | White 81.53% |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Missouri 2ndMissouri 3rd |
| State House Districts | 105,106 |
| State Senate Districts | 23 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 81.53% |
| African American | 8.14% |
| Hispanic | 0.39% |
| Asian | 4.87% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.07% |