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Municipal profile

Coat of arms of Troistorrents

Troistorrents

Canton: Valais (VS)

Civiora Index

Derived from official data

55/100

Above the median

National rank: 989 / 2’110 · Top 47% nationally

Taxes55/100
Premiums50/100
Electricity49/100
Housing24/100
PT service88/100

Confidence level: high · v1.1.0 · Civiora Index computed from official public data. Proprietary, non-official index. Understand the index

Median altitude1’450 m
Area37.0 km²
Postcode1872
FSO no.6156
DistrictDistrict de Monthey
Tax burden12.7 %Single, CHF 80’000 · 2026 less than SwitzerlandSwiss median: 13.1 %
Electricity price27.3 ct./kWhH4 · 2027 in line with SwitzerlandSwiss median: 26.9 ct./kWh
Health insurance premiums602 CHF/monthAdult · 2027 in line with SwitzerlandSwiss median: 599 CHF
Population5’068+5.5 % over 5 years (2020–2025) more than SwitzerlandSwiss median: +4.4 %
Vacancy rate0.31 %01.06.2026 less than SwitzerlandSwiss median: 0.83 %
Public transport stops59At least one rail stop

Taxes: tax burden by scenario

Tax burden ranking →Official

On a salary of CHF 80’000 a year, a single person in Troistorrents pays 12.7% of their gross income in tax, or about CHF 10’140 a year. That is CHF 350 less than in the median Swiss municipality.

TroistorrentsSwiss median
Single, CHF 80’000 approx. 10’140 CHF/year350 CHF/year less
12.7 %
13.1 %
Single, CHF 120’000 approx. 20’880 CHF/year180 CHF/year more
17.4 %
17.2 %
Married couple, CHF 120’000 approx. 12’760 CHF/year710 CHF/year less
10.6 %
11.2 %
Family, 2 children, CHF 150’000 approx. 12’360 CHF/year2’550 CHF/year less
8.2 %
9.9 %
Retiree, CHF 80’000 approx. 12’920 CHF/year60 CHF/year less
16.1 %
16.2 %

2026 tax burden in % of gross income (federal, cantonal and communal taxes; earned income, no wealth, no church tax). Calculation FTA, Swiss tax calculator.

Federal Tax Administration (FTA)Tax burden 2026: Swiss tax calculator (model cases)View source

Electricity

2027 tariff ranking →Official

A typical household (profile H4, 4’500 kWh a year) in Troistorrents pays 27.26 ct. per kWh, or about CHF 1’230 a year. That is close to the median Swiss municipality.

27.26 ct./kWh

in line with SwitzerlandSwiss median: 26.91 ct./kWh

Tariff breakdown

Energy (the electricity itself) 13.01Grid (delivery to the meter) 10.18Levies and surcharge (public charges and levies) 4.07ct./kWh

Federal Electricity Commission (ElCom)Electricity tariffs 2027, profile H4, standard productView source

Health insurance premiums

2027 premium ranking →Derived from official data

An adult in Troistorrents pays a median CHF 602 a month for basic health insurance, or about CHF 7’220 a year (CHF 300 deductible, accident cover included). That is in line with the Swiss median (CHF 599).

602 CHF/month

in line with SwitzerlandSwiss median: 599 CHF

Median monthly premium 2027, adult (26+), CHF 300 deductible, with accident, standard model: median of the 24 offers in premium region VS-1 (Civiora calculation on FOPH data).

Official FOPH average premiums 2027 (all deductibles and models)

Adult477.30 CHF/monthapprox. 5’730 CHF/year
19–25 years317.40 CHF/monthapprox. 3’810 CHF/year
Child120.30 CHF/monthapprox. 1’440 CHF/year

Federal Office of Public Health (FOPH)Compulsory health insurance premiums 2027 (priminfo)View source

Population and demographics

Official

Troistorrents has 5’068 inhabitants at the end of 2025, 5.5% more than five years ago (Swiss median: +4.4%).

Population change 2010–2025

5’068 inhabitants

Density: 137 inhab./km² · 2025

+0.9 % vs previous year (2024–2025)

Age structure (2025)

0–19 years 20.3 %20–64 years 59.5 %65 and over 20.2 %

About 1 resident in 5 is under 20, and 1 in 5 is 65 or over. About 1 resident in 6 (16.3%) holds a foreign nationality.

Federal Statistical Office (FSO)STATPOP: permanent resident population (STAT-TAB), status 31.12.2025View source

Housing

Vacancy rate ranking →Official

On 1 June 2026, 0.31% of homes in Troistorrents were vacant, about 1 in 323 (Swiss median: 0.83%). The higher this rate, the easier it is to find a home.

Vacancy rate 2016–2026

Vacant dwellings1301.06.2026
Housing stock (2024)4’240

Federal Statistical Office (FSO)Vacant dwellings count, 1 June 2026View source

Federal Statistical Office (FSO)Buildings and dwellings statistics (GWS): housing stock 2024View source

Public transport

Derived from official data

Troistorrents has 59 public transport stops. On an ordinary Tuesday, 1’251 departures are scheduled across all stops, 128 of them after 8 pm.

Public transport stops59At least one rail stop
Departures on a typical Tuesday1’251of which evening (from 8 pm): 128 (10 %)
Departures on a typical Sunday84768 % of the typical Tuesday
Public transport stops / 1’00011.64Swiss median: 3.33

Departures counted in the official 2026 timetable (GTFS) on typical days: Tuesday 08.09.2026 and Sunday 13.09.2026. Every call at every stop in the municipality counts as one departure. Civiora calculation.

opentransportdata.swiss (ATLAS, SBB on behalf of the Confederation)Public transport service points, status 04.08.2026View source

opentransportdata.swiss (official GTFS timetable)2026 timetable (GTFS, 01.08.2026 edition): typical daysView source

Territory and local economy

Official

Troistorrents’s territory is 7.3% built-up, 36.7% farmland and 51.8% forest (survey 2004/2009).

Built-up 7.3 %Farmland 36.7 %Forest 51.8 %Other (water, rock…) 4.2 %
Jobs884reference year 2018
Establishments321reference year 2018
Social assistance rate1.0 %reference year 2019

Federal Statistical Office (FSO)Regional portraits 2021: key figures of communesView source