Population change over 10 years in Vallès Occidental, by town.
Vallès Occidental averages +7.9%, 18 of 43 comarques from the highest. Vacarisses is its highest town at +25.8%; Gallifa the lowest at -13.2%.
- Vallès Occidental, 2015–2025
- +7.9%
- Rank among comarques
- 18 of 43
- Median town
- +8.0%
Towns in Vallès Occidental
| # | Place | Population change over 10 years |
|---|---|---|
| 1 | Vacarisses | +25.8% |
| 2 | Rellinars | +23.8% |
| 3 | Sant Cugat del Vallès | +11.6% |
| 4 | Rubí | +11.1% |
| 5 | Sentmenat | +10.4% |
| 6 | Matadepera | +9.8% |
| 7 | Montcada i Reixac | +9.0% |
| 8 | Sant Llorenç Savall | +8.7% |
| 9 | Sabadell | +8.4% |
| 10 | Castellar del Vallès | +8.4% |
| 11 | Terrassa | +8.4% |
| 12 | Palau-solità i Plegamans | +8.0% |
| 13 | Ripollet | +6.5% |
| 14 | Ullastrell | +6.3% |
| 15 | Viladecavalls | +6.1% |
| 16 | Castellbisbal | +5.6% |
| 17 | Barberà del Vallès | +4.4% |
| 18 | Polinyà | +4.3% |
| 19 | Sant Quirze del Vallès | +3.1% |
| 20 | Santa Perpètua de Mogoda | +2.6% |
| 21 | Cerdanyola del Vallès | +1.9% |
| 22 | Badia del Vallès | -3.3% |
| 23 | Gallifa | -13.2% |
Source and method
Change in registered residents over the last ten years of the padró. Small towns swing a lot on a few dozen people. Source: Idescat, municipal register (padró), 2015–2025. Comarca figures are population-weighted averages of their towns.
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