Raszków was formerly part of the German Empire. In the German Empire, the place was called Raschkau (Kr. Ostrowo).
The place is now called Raszków and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Raschkow | German Empire | Adelnau | before the Versailles Treaty |
| Raszków | Poland | Ostrów Wielkopolski | after the Versailles Treaty |
| Raschkow | German Empire | Ostrowo | 1939 |
| Raschkau (Kr. Ostrowo) | German Empire | Ostrowo | 1939 |
| Raszków | Poland | Ostrów Wielkopolski | 1945 |
| Raszków | Poland | Kalisz | 1992 |