About Vionnaz
Vionnaz is a municipality in the district of Monthey in the canton of Valais in Switzerland.
- Canton
- Valais
- Area
- 20.9 km²
Population
3'024residents
Median taxable income
CHF 63'102
Vacancy
0.69%
Foreign residents
20.2%
Dwellings
2'174
Jobs (FTE)
983
Tax multiplier
110%
Land use across the commune
Every 100 × 100 m of Vionnaz, 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
983 full-time-equivalent jobs across 161 businesses — services make up 43% of employment, industry 53% (2018).
Source BFS STATENT
983FTE total
Primary4.7%
Secondary52.8%
Tertiary42.5%
Land use
7% built-up, 29% agricultural, 56% forest. Measured across 2'097 hectares (2018).
Source BFS Arealstatistik
Settlement8.1%
Agriculture31.8%
Forest60.1%
Water0.0%
Election Results
SVP led the 2023 National Council election with 31.4%, ahead of Mitte at 27.0%.
Source BFS
SVP31.4%+9.8 pp
Mitte27.0%
FDP18.2%−5.9 pp
SP13.0%−0.9 pp
Grüne7.8%−5.8 pp
GLP2.1%+1.4 pp
PdA0.5%
2023 vs 2019
Primary / second-home mix
64.7% of dwellings are primary residences; 35.3% are second homes (2026). The Zweitwohnungsgesetz applies here — new second-home construction is restricted.
Source BFS
Primary residences64.7%
Second homes35.3%
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
