Biernatówko was formerly part of the German Empire. In the German Empire, the place was called Vierort.
The place is now called Biernatówko and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Vierort | German Empire | Filehne | before the Versailles Treaty |
| NN | German Empire | Netzekreis | after the Versailles Treaty |
| Vierort | German Empire | Netzekreis | 1939 |
| Biernatówko | Under Polish administration | Piła | 1945 |
| Biernatówko | Poland | Piła | 1992 |