Szenkowo was formerly part of the German Empire. In the German Empire, the place was called Schönkau.
The place is now called Szenkowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Schönkau | German Empire | Neidenburg | before the Versailles Treaty |
| Szenkowo | Poland | Działdowo | after the Versailles Treaty |
| Schönkau | German Empire | Neidenburg | 1939 |
| Szenkowo | Poland | Działdowo | 1945 |
| Szenkowo | Poland | Ciechanów | 1992 |