| 2009 | 2005 | |||||
| Partidos | Votos | Porcentaje | Diputados | Votos | Porcentaje | Diputados |
| PSE-EE/PSOE | 47395 | 31.54% | 9 | 43216 | 25.49% | 7 |
| EAJ-PNV | 45600 | 30.34% | 8 | 51986 | 30.67% | 8 |
| PP | 32112 | 21.37% | 6 | 43989 | 25.95% | 7 |
| ARALAR | 6585 | 4.38% | 1 | 2542 | 1.5% | 0 |
| UPD | 5974 | 3.97% | 1 | - | - | - |
| EA | 5267 | 3.5% | 0 | - | - | - |
| EB-B | 5143 | 3.42% | 0 | 8409 | 4.96% | 1 |
| POSI | 0 | 0% | 0 | 234 | 0.14% | 0 |
| PH | 0 | 0% | 0 | 340 | 0.2% | 0 |
| EKA-PC | 0 | 0% | 0 | - | - | - |
| PACMA/ZAAAA | 0 | 0% | 0 | - | - | - |
| PUM+J | 0 | 0% | 0 | 0 | 0% | 0 |
| PFyV | 0 | 0% | 0 | - | - | - |
| BERDEAK-LV | 0 | 0% | 0 | - | - | - |
| PCTV-EHAK | NP | - | - | 14187 | 8.37% | 2 |
| UAL | NP | - | - | 3765 | 2.22% | 0 |
| BERDEAK-PACMA | NP | - | - | 851 | 0.5% | 0 |
| EKA | NP | - | - | 0 | 0% | 0 |
| Total votos | Participación | Abstención | Votos blancos | Votos nulos | Diputados | |||||
| 2009 | 161138 | 65.84% | 87093 | 34.16% | 1797 | 1.12% | 9048 | 5.62% | 25 | |
| 2005 | 171492 | 69.25% | 76153 | 30.75% | 1284 | 0.75% | 689 | 0.4% | 25 | |