| Place Name | Madelia |
| Place Type | City |
| ZIP Code(s) | 56062 |
| County | Watonwan County |
| Area Code(s) | 507 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 2,450 |
| Population Growth Rate (2010-19) | 3.81% |
| Majority Ethnicity | White 70.57% |
| US Congressional District(s) | Minnesota 1st |
| State House Districts | 23B |
| State Senate Districts | 23 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 70.57% |
| African American | 1.57% |
| Hispanic | 0% |
| Asian | 1.82% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 26.04% |