About Val-d'Illiez
Val-d'Illiez is a municipality in the district of Monthey in the canton of Valais in Switzerland.
- Canton
- Valais
- Area
- 39.3 km²
Population
2'145residents
Median taxable income
CHF 58'166
Vacancy
1.11%
Foreign residents
20.0%
Dwellings
2'252
Jobs (FTE)
596
Tax multiplier
130%
Land use across the commune
Every 100 × 100 m of Val-d'Illiez, coloured by how it's used. Drawn from the BFS Arealstatistik 2025 release — the most recent nationwide snapshot.
Source BFS Arealstatistik
Loading statistics …
Jobs & economy
596 full-time-equivalent jobs across 202 businesses — services make up 67% of employment, industry 17% (2018).
Source BFS STATENT
596FTE total
Primary15.8%
Secondary16.9%
Tertiary67.3%
Land use
5% built-up, 38% agricultural, 37% forest. Measured across 3'926 hectares (2018).
Source BFS Arealstatistik
Settlement5.7%
Agriculture47.3%
Forest47.0%
Water0.0%
Election Results
SVP led the 2023 National Council election with 37.5%, ahead of Mitte at 33.9%.
Source BFS
SVP37.5%+5.9 pp
Mitte33.9%
FDP11.9%−10.1 pp
SP7.4%−0.1 pp
Grüne6.2%−3.3 pp
GLP2.5%+2.0 pp
PdA0.7%
2023 vs 2019
Primary / second-home mix
47.0% of dwellings are primary residences; 53.0% are second homes (2026). The Zweitwohnungsgesetz applies here — new second-home construction is restricted.
Source BFS
Primary residences47.0%
Second homes53.0%
Second-home quota > 20% — Zweitwohnungsgesetz applies
Climate data
Annual mean 10.3°C with 984 mm of rain. Warmest in July (19.4°C), coldest in January (1.4°C). Station: Aigle, 381 m.
Source MeteoSchweiz
10.3°C
Annual mean
Mean 10.3°C
Rain 984 mm
Sun ≈156 days
Aigle · 381 m.a.s.l. · 1991–2020 normals
Warming trend
Mean annual temperature at Château-d'Oex has risen by +2.4°C between the first 30 observed years (1879–1922) and the most recent (1996–2025).
Source MeteoSchweiz NBCN
+2.4°C
mean 1996–2025 vs. 1879–1922
Château-d'Oex · 1028 m.a.s.l. · 1879–2025