| Place Name | Frontenac |
| Place Type | Census Designated Place |
| ZIP Code(s) | 55026 |
| County | Goodhue County |
| Area Code(s) | 651 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 289 |
| Population Growth Rate (2010-19) | -11.70% |
| Majority Ethnicity | White 86.57% |
| Metro/Micro Stats Area | Red Wing, MN |
| US Congressional District(s) | Minnesota 2nd |
| State House Districts | 21A |
| State Senate Districts | 21 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 86.57% |
| African American | 0% |
| Hispanic | 4.17% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 9.26% |