| Place Name | Mountain Lake |
| Place Type | City |
| ZIP Code(s) | 56159 |
| County | Cottonwood County |
| Area Code(s) | 507 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 2,163 |
| Population Growth Rate (2010-19) | -4.99% |
| Majority Ethnicity | White 77.71% |
| US Congressional District(s) | Minnesota 1st |
| State House Districts | 22B |
| State Senate Districts | 22 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 77.71% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 12.8% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 9.49% |