Raciąż-Pólka was formerly part of the German Empire. In the German Empire, the place was called Hornfeld.
The place is now called Raciąż-Pólka and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Raciaz Polka | Russian Empire | Serpec | 1914 |
| Raciąż-Pólka | Poland | Sierpc | 1919 |
| Hornfeld | German Empire | Sichelberg | 1939 |
| Raciąż-Pólka (Raciąż-R.-Pólka) | Poland | Sierpc | 1945 |
| Raciąż-Pólka | Poland | Ciechanów | 1992 |