Resultats
Eleccions al Parlament 2012
Preixana 2012
| Partits | Vots | % |
| CiU | 129 | 50,19 |
| ERC-Cat Sí | 46 | 17,89 |
| PP | 30 | 11,67 |
| CUP-Alternativa d'Esquerres | 12 | 4,66 |
| PSC | 6 | 2,33 |
| SI | 5 | 1,94 |
| ICV-EUiA | 5 | 1,94 |
| Eb | 5 | 1,94 |
| PxC | 4 | 1,55 |
| C's | 4 | 1,55 |
| PACMA | 2 | 0,77 |
| PIRATA.CAT | 1 | 0,38 |
| UPyD | 0 | 0 |
| U.C.E. | 0 | 0 |
| PRE-IR | 0 | 0 |
| FARTS.cat | 0 | 0 |
| Escrutat | 100% |
| Vots comptabilitzats: | 259 | 77,78% |
| Abstencions: | 74 | 22,22% |
| Vots nuls: | 2 | 0,77% |
| Vots en blanc: | 8 | 3,09% |
Preixana 2010
| Partits | Vots | % |
| CiU | 132 | 53,66 |
| P.P. | 36 | 14,63 |
| ESQUERRA | 23 | 9,35 |
| PSC-PSOE | 17 | 6,91 |
| PxC | 7 | 2,85 |
| ICV-EUiA | 6 | 2,44 |
| SI | 4 | 1,63 |
| RI.cat | 4 | 1,63 |
| BLOC.S.C. | 3 | 1,22 |
| EV-GVE | 1 | 0,41 |
| UPyD | 1 | 0,41 |
| PxCat | 0 | 0 |
| P.J.P. | 0 | 0 |
| PDLPEA | 0 | 0 |
| Eb-CenB | 0 | 0 |
| FE de las JONS | 0 | 0 |
| PACMA-Animalista | 0 | 0 |
| PCPC | 0 | 0 |
| DES DE BAIX | 0 | 0 |
| PFiV | 0 | 0 |
| M.S.R. | 0 | 0 |
| CORI | 0 | 0 |
| PIRATA.CAT | 0 | 0 |
| PAR | 0 | 0 |
| C's | 0 | 0 |
| PUM+J | 0 | 0 |
| PH | 0 | 0 |
| UCE | 0 | 0 |
| CDS | 0 | 0 |
| Escrutat | 100% |
| Vots comptabilitzats: | 248 | 71,06% |
| Abstencions: | 101 | 28,94% |
| Vots nuls: | 2 | 0,81% |
| Vots en blanc: | 12 | 4,84% |
Municipis
Eleccions al Parlament 2012
