| Elecciones municipales de 25-05-2003 | Elecciones a Cortes Generales de 14-03-2004 | ||
| 0 | TOTAL | 1746820 | 1381929 |
| 1 | Álava | 10500 | 8227 |
| 2 | Albacete | 17649 | 14159 |
| 3 | Alicante / Alacant | 66324 | 52723 |
| 4 | Almería | 27831 | 22106 |
| 5 | Ávila | 6566 | 5244 |
| 6 | Badajoz | 34393 | 27527 |
| 7 | Balears (Illes) | 36680 | 28890 |
| 8 | Barcelona | 174954 | 138131 |
| 9 | Burgos | 13182 | 10444 |
| 10 | Cáceres | 19539 | 15637 |
| 11 | Cádiz | 62104 | 49347 |
| 12 | Castellón / Castelló | 20005 | 15770 |
| 13 | Ciudad Real | 23759 | 19050 |
| 14 | Córdoba | 39442 | 31223 |
| 15 | Coruña (A) | 43042 | 33969 |
| 16 | Cuenca | 8267 | 6595 |
| 17 | Girona | 22331 | 17632 |
| 18 | Granada | 43003 | 34317 |
| 19 | Guadalajara | 7851 | 6269 |
| 20 | Guipúzcoa | 23092 | 18268 |
| 21 | Huelva | 23932 | 18946 |
| 22 | Huesca | 7445 | 5850 |
| 23 | Jaén | 34365 | 27503 |
| 24 | León | 18934 | 14774 |
| 25 | Lleida | 13522 | 10663 |
| 26 | Rioja (La) | 10357 | 8198 |
| 27 | Lugo | 12907 | 10119 |
| 28 | Madrid | 211059 | 166592 |
| 29 | Málaga | 64266 | 50828 |
| 30 | Murcia | 57870 | 45997 |
| 31 | Navarra | 20651 | 16384 |
| 32 | Ourense | 11579 | 9054 |
| 33 | Asturias | 37794 | 29534 |
| 34 | Palencia | 7048 | 5542 |
| 35 | Palmas (Las) | 45543 | 36060 |
| 36 | Pontevedra | 39088 | 30851 |
| 37 | Salamanca | 13864 | 10950 |
| 38 | Santa Cruz de Tenerife | 41594 | 33047 |
| 39 | Cantabria | 21429 | 16819 |
| 40 | Segovia | 5670 | 4427 |
| 41 | Sevilla | 88192 | 69505 |
| 42 | Soria | 3319 | 2648 |
| 43 | Tarragona | 25439 | 20017 |
| 44 | Teruel | 5285 | 4212 |
| 45 | Toledo | 26923 | 21560 |
| 46 | Valencia / València | 93107 | 73523 |
| 47 | Valladolid | 19275 | 15134 |
| 48 | Vizcaya | 38685 | 30505 |
| 49 | Zamora | 7445 | 5870 |
| 50 | Zaragoza | 31717 | 25003 |
| 51 | Ceuta | 4279 | 3383 |
| 52 | Melilla | 3723 | 2903 |