Demographics
BFS · 2025Women
2'486 49.1%
Men
2'582 50.9%
Children & youth (0–19)
1'030 20.3%
Swiss citizens
4'244 83.7%
Foreign residents
824 16.3%
Population density
137 pop./km²
0–19 · 1'030 · 20.3%20–64 · 3'012 · 59.4%65+ · 1'026 · 20.2%
Foreign residents 16.3%0%64.0%
Population change 2025: +46 (+0.9%) · 42 births · 26 deaths · net migration +43
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026 · swisstopo, retrieved 24.09.2026 · BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026
27.09.2026Popular Initiative 'For food security – through increased sustainable domestic production, more plant-based food and clean drinking water (Food Initiative)'Federal● Rejected · 27.5% YesDistrict District de Monthey: 27.2% Yes
23.3% YesNo 76.7%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict District de Monthey: 35.1% Yes
38.5% YesNo 61.5%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict District de Monthey: 58.8% Yes
61.3% YesNo 38.7%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict District de Monthey: 50.0% Yes
54.4% YesNo 45.6%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict District de Monthey: 52.4% Yes
52.0% YesNo 48.0%
08.03.2026Popular Initiative ‘For a fair energy and climate policy: Investing for prosperity, jobs and the environment (Climate Fund Initiative)’Federal● Rejected · 29.3% YesDistrict District de Monthey: 21.9% Yes
15.8% YesNo 84.2%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict District de Monthey: 45.9% Yes
44.8% YesNo 55.2%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict District de Monthey: 55.0% Yes
58.1% YesNo 41.9%
08.03.2026Federal decree on Swiss currency and cash supply (counter-proposal to Cash Initiative)Federal● Accepted · 73.4% YesDistrict District de Monthey: 61.2% Yes
61.8% YesNo 38.2%
08.03.2026Popular Initiative 'Yes to an independent and free Swiss currency with coins or banknotes (Cash is freedom)'Federal● Rejected · 45.6% YesDistrict District de Monthey: 65.4% Yes
68.1% YesNo 31.9%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP29.2% · strongest party
SVP29.2%
Mitte26.8%
FDP20.8%
SP11.6%
GRÜNE7.6%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier120%
Cantonal tax multiplier100%
120%VS range 100%145%
Tax rank 59 of 122 in canton ValaisTax burden
Single, 100'000 CHF gross income
15'104 CHF(15.1%)
Rank 44 of 122 in the canton · 1019 of 2110 in Switzerland
Median canton 15'413 CHF · median Switzerland 15'290 CHF
Cheapest Bister VS 13'690 CHF · most expensive Grächen 17'302 CHF
100'000 CHF:15'104 CHF(~15.1%)
TroistorrentsCanton range ValaisSwitzerland median
Show data table
| Gross income | Troistorrents | Valais | Switzerland median |
|---|---|---|---|
| 40'000 | 4.7% | 4.2–5.8% | 5.4% |
| 50'000 | 8.4% | 7.5–10.3% | 7.8% |
| 60'000 | 9.9% | 8.8–12% | 10.5% |
| 70'000 | 11.4% | 10.2–13.5% | 11.9% |
| 80'000 | 12.7% | 11.4–14.9% | 13.1% |
| 90'000 | 13.8% | 12.4–16% | 14.1% |
| 100'000 | 15.1% | 13.7–17.3% | 15.3% |
| 110'000 | 16.3% | 14.8–18.5% | 16.3% |
| 120'000 | 17.4% | 15.9–19.6% | 17.2% |
| 130'000 | 18.5% | 17–20.8% | 18.1% |
| 140'000 | 19.7% | 18.1–22% | 19% |
| 150'000 | 20.7% | 19.1–23% | 19.7% |
| 175'000 | 23.6% | 21.8–25.7% | 21.6% |
| 200'000 | 25.6% | 23.9–27.7% | 23.2% |
| 225'000 | 26.7% | 25.1–28.9% | 24.6% |
| 250'000 | 27.7% | 26–30% | 25.8% |
| 275'000 | 28.5% | 26.8–30.8% | 26.8% |
| 300'000 | 29.2% | 27.4–31.6% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20206.6 °C
Precipitation 1991–20201'633 mm
6.6 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
2'147 m
Mean elevation
1'390 m
Relief
1'677 m
Mean slope
23.5°
Flat share
1.2%
South-facing
25.8%
Above 2000 m
0.7%
Relief 1'677 m0 m3'847 m
Terrain figures cover the whole municipal territory (swisstopo swissALTIRegio) — not the settlement point. Slope and south-facing share are resolution-dependent and measured at 40 m.
swissALTIRegio 2026 · swisstopo, retrieved 28.08.2026
Roof potential
54.1 GWh/yr
Roofs + façades
73.2 GWh/yr
≈ households powered
12'000
Per inhabitant
10'673 kWh/yr
54 GWh/yr01'133 GWh/yr
BFE solar factsheet ↗Modelled roof and façade potential from the BFE solar model — the electricity these surfaces could produce, not installed capacity or what the municipality actually generates today. The household figure divides the roof potential by 4'500 kWh per year, ElCom’s reference household (consumption profile H4, a 5-room apartment).
Swiss Federal Office of Energy (SFOE), retrieved 24.09.2026
Electricity
ElCom · 2027Tariff H4
27.26 Rp./kWh
Energy
13.01 Rp./kWh
Grid usage
10.18 Rp./kWh
Levies + grid surcharge
2.3 Rp./kWh
27.26 Rp./kWh10.5645.88
Canton median 26.56 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Romande Energie SA
ElCom tariff comparison ↗How this is measured
Total household electricity price for ElCom consumption profile H4 — 4'500 kWh a year, a 5-room flat with electric stove and tumble dryer — standard product, excluding VAT, for the tariff year shown. Energy, grid usage, levies to public bodies and the federal grid surcharge are included. Canton and Swiss medians are ElCom's own published figures.
2027 · Federal Electricity Commission (ElCom), retrieved 12.09.2026
Health-insurance premiums
BAG · 2024Premium regionRegion 1
Standard model, deductible 300583 CHF/mo
Ø premium in canton Valais391 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo
Premiums are set per canton and premium region. This area lies in premium region 1 of canton Valais. Shown is the average adult premium paid across the whole canton Valais (2024, BAG) — a region-specific average is not available in the cantonal data.
2024 · Federal Office of Public Health (FOPH), retrieved 12.09.2026
Housing
BFS · AREVacancy rate
0.26 %
Second homes
46.1 %
Avg. rooms
3.6
Dwellings
4'240
Built before 194620.7%
Built since 200117.4%
Second Homes Act: no new second-home permits (official building restriction in force).
0.26 %0 %12 %
Vacancy rate from the BFS vacant-dwelling count (2025); building age and room count from the Buildings and Dwellings Statistics (2024). The average room count treats the ‘6 rooms or more’ class as 6, so it is a slight lower bound. The vacancy rate is volatile for small municipalities.
Buildings and Dwellings Statistics 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Dwelling inventory and second-home share 2026 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026
Economy
BFS · 2024Jobs
1'078
Workplaces
377
Services share
69.9 %
Jobs by sector: Primary 57 (5.3%) · Secondary 268 (24.9%) · Tertiary 753 (69.9%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
18
Organic share
16.7 %
Farmland
265 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026
Accessibility
ARE · NPVMNational Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026
Municipality
Wikidata · CC0Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities5'068 #18 VS · #429 CHGrowing municipalities0.9% #56 VS · #847 CHShrinking municipalities0.9% #67 VS · #1266 CHJobs per resident0.21 #100 VS · #1754 CHFamilies & children20.3% #26 VS · #1059 CHAge structure20.2% #87 VS · #1219 CHWomen share49.1% #70 VS · #1491 CHForeign residents16.3% #68 VS · #1179 CHPopulation density137/km² #33 VS · #1278 CHTax burden15'104 #46 VS · #1021 CHTaxes120% #59 VSWarmest municipalities6.6 °C #73 VS · #1891 CHSunniest municipalities50.7% #105 VS · #217 CHRainiest municipalities1'633 mm #4 VS · #153 CHVoter turnout54.7% #59 VS · #1278 CHAgainst Switzerland24.5% #8 VS · #278 CHAligned with Switzerland75.5% #65 VS · #1215 CHSVP strongholds29.2% #41 VS · #1320 CHSP strongholds11.6% #51 VS · #1352 CHCentre strongholds26.8% #100 VS · #306 CHFDP strongholds20.8% #23 VS · #404 CHGLP strongholds2.5% #24 VS · #1691 CHGreen strongholds7.6% #43 VS · #963 CHLargest by area37 km² #45 VS · #247 CHHighest municipalities786 m #82 VS · #448 CHSecond homes46.1% #65 VS · #180 CHOrganic farming16.7% #66 VS · #818 CHBest-connected municipalities89 min #22 VS · #1553 CHRemotest municipalities89 min #101 VS · #572 CHHighest peaks2'147 m #104 VS · #326 CHHighest-lying municipalities1'390 m #84 VS · #234 CHGreatest vertical range1'677 m #103 VS · #287 CHSteepest municipalities23.5° #100 VS · #313 CHSolar potential54 GWh #21 VS · #282 CHSolar potential per capita10'673 kWh #85 VS · #958 CHCheapest electricity27.26 Rp./kWh #105 VS · #1147 CHMost expensive electricity27.26 Rp./kWh #18 VS · #960 CH
Postal codes (3)
swisstopoLocalities
swisstopo · 3Nearby municipalities
swisstopo- What is the postal code of Troistorrents?
- Troistorrents has 3 postal codes: 1871, 1872, 1875.
- What is the tax rate in Troistorrents?
- The municipal tax multiplier of Troistorrents is 120% (2026); canton VS levies 100%.
- How much tax do you pay in Troistorrents?
- A single person without children pays about 15'104 CHF income tax in Troistorrents on 100'000 CHF gross income (federal, cantonal, municipal), rank 44 of 122 in canton VS. Source: ESTV (2026).
- How many residents does Troistorrents have?
- Troistorrents has 5'068 residents (2025).
- How many foreign residents live in Troistorrents?
- Troistorrents has 824 foreign residents, a share of 16.26% (2025).
Map
OpenStreetMapTroistorrents compared with
- Troistorrents vs. Sion
- Troistorrents vs. Martigny-Bourg
- Troistorrents vs. Monthey
- Troistorrents vs. Sierre
- Troistorrents vs. Brig-Glis
- Troistorrents vs. Val de Bagnes
- Troistorrents vs. Naters
- Troistorrents vs. Crans-Montana
- Troistorrents vs. Collombey-Muraz
- Troistorrents vs. Conthey
- Troistorrents vs. Sion
- Troistorrents vs. Martigny-Bourg
- Troistorrents vs. Monthey
- Troistorrents vs. Sierre
- Troistorrents vs. Brig-Glis
- Troistorrents vs. Val de Bagnes
- Troistorrents vs. Naters
- Troistorrents vs. Crans-Montana
- Troistorrents vs. Collombey-Muraz
- Troistorrents vs. Conthey
- Troistorrents vs. Baden
- Troistorrents vs. Schwende-Rüte
- Troistorrents vs. Herisau
- Troistorrents vs. Bern
- Troistorrents vs. Allschwil
- Troistorrents vs. Basel
- Troistorrents vs. Fribourg
- Troistorrents vs. Geneva
- Troistorrents vs. Glarus Nord
- Troistorrents vs. Chur
- Troistorrents vs. Delémont
- Troistorrents vs. Lucerne
- Troistorrents vs. Neuchâtel
- Troistorrents vs. Stans
- Troistorrents vs. Sarnen
- Troistorrents vs. St. Gallen
- Troistorrents vs. Schaffhausen
- Troistorrents vs. Olten
- Troistorrents vs. Freienbach
- Troistorrents vs. Frauenfeld
- Troistorrents vs. Lugano
- Troistorrents vs. Altdorf
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