Polko was formerly part of the German Empire. In the German Empire, the place was called Pölk.
The place is now called Pólko and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Polko | German Empire | Samter | before the Versailles Treaty |
| Pólko, Folwark | Poland | Szamotuły | after the Versailles Treaty |
| Polko | German Empire | Samter | 1939 |
| Pölk | German Empire | Samter | 1939 |
| Pólko | Poland | Szamotuły | 1945 |
| Pólko | Poland | Poznań | 1992 |