| City | 2026 Pop. ↓ |
|---|---|
| Palma | 437,849 |
| Palmas de Gran Canaria, Las | 382,090 |
| Pamplona/Iruna | 210,321 |
| Parla | 138,403 |
| Pozuelo de Alarcon | 90,376 |
| Puerto de Santa Maria, El | 90,256 |
| Pontevedra | 83,312 |
| Palencia | 77,340 |
| Paterna | 77,120 |
| Prat de Llobregat, El | 66,546 |
| Ponferrada | 62,933 |
| Pinto | 57,397 |