About Troistorrents
Troistorrents is a municipality in the district of Monthey in the canton of Valais in Switzerland.
- Canton
- Valais
- Area
- 37.0 km²
Population
5'022residents
Median taxable income
CHF 63'725
Vacancy
0.26%
Foreign residents
16.0%
Dwellings
4'231
Jobs (FTE)
884
Tax multiplier
120%
Land use across the commune
Every 100 × 100 m of Troistorrents, coloured by how it's used. Drawn from the BFS Arealstatistik 2025 release — the most recent nationwide snapshot.
Source BFS Arealstatistik
Loading statistics …
Election Results
SVP led the 2023 National Council election with 29.3%, ahead of Mitte at 26.8%.
Source BFS
SVP29.3%+6.6 pp
Mitte26.8%
FDP20.8%−7.9 pp
SP11.6%−0.7 pp
Grüne7.6%−3.6 pp
GLP2.5%+1.7 pp
PdA1.4%
2023 vs 2019
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
