| Place Name | Buffalo Lake |
| Place Type | City |
| ZIP Code(s) | 55314 |
| County | Renville County |
| Area Code(s) | 320 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 799 |
| Population Growth Rate (2010-19) | -9.96% |
| Majority Ethnicity | White 77.98% |
| US Congressional District(s) | Minnesota 7th |
| State House Districts | 17A |
| State Senate Districts | 17 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 77.98% |
| African American | 1.07% |
| Hispanic | 2.31% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 18.65% |