| Place Name | High Ridge Township |
| Place Type | Township |
| ZIP Code(s) | 63016 63025 63049 63051 |
| County | Jefferson County |
| Area Code(s) | 636 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 18,801 |
| Majority Ethnicity | White 96.96% |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Missouri 3rd |
| State House Districts | 111,112 |
| State Senate Districts | 22 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.96% |
| African American | 0.09% |
| Hispanic | 0.15% |
| Asian | 1.53% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.27% |