Demographics
BFS · 2025Women
1'041 48.4%
Men
1'108 51.6%
Children & youth (0–19)
400 18.6%
Swiss citizens
1'739 80.9%
Foreign residents
410 19.1%
Population density
55 pop./km²
0–19 · 400 · 18.6%20–64 · 1'302 · 60.6%65+ · 447 · 20.8%
Foreign residents 19.1%0%64.0%
Population change 2025: +4 (+0.2%) · 14 births · 11 deaths · net migration +11
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
24.6% YesNo 75.4%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict District de Monthey: 35.1% Yes
45.0% YesNo 55.1%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict District de Monthey: 58.8% Yes
62.9% YesNo 37.1%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict District de Monthey: 50.0% Yes
63.1% YesNo 36.9%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict District de Monthey: 52.4% Yes
42.1% YesNo 57.9%
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
16.5% YesNo 83.5%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict District de Monthey: 45.9% Yes
50.6% YesNo 49.4%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict District de Monthey: 55.0% Yes
35.7% YesNo 64.3%
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
62.3% YesNo 37.7%
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
71.2% YesNo 28.8%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP37.5% · strongest party
SVP37.5%
Mitte33.9%
FDP11.9%
SP7.4%
GRÜNE6.2%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier130%
Cantonal tax multiplier100%
130%VS range 100%145%
Tax rank 95 of 122 in canton ValaisTax burden
Single, 100'000 CHF gross income
16'187 CHF(16.2%)
Rank 98 of 122 in the canton · 1380 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:16'187 CHF(~16.2%)
Val-d'IlliezCanton range ValaisSwitzerland median
Show data table
| Gross income | Val-d'Illiez | Valais | Switzerland median |
|---|---|---|---|
| 40'000 | 5.2% | 4.2–5.8% | 5.4% |
| 50'000 | 9.2% | 7.5–10.3% | 7.8% |
| 60'000 | 10.9% | 8.8–12% | 10.5% |
| 70'000 | 12.4% | 10.2–13.5% | 11.9% |
| 80'000 | 13.8% | 11.4–14.9% | 13.1% |
| 90'000 | 14.8% | 12.4–16% | 14.1% |
| 100'000 | 16.2% | 13.7–17.3% | 15.3% |
| 110'000 | 17.4% | 14.8–18.5% | 16.3% |
| 120'000 | 18.5% | 15.9–19.6% | 17.2% |
| 130'000 | 19.6% | 17–20.8% | 18.1% |
| 140'000 | 20.8% | 18.1–22% | 19% |
| 150'000 | 21.9% | 19.1–23% | 19.7% |
| 175'000 | 24.6% | 21.8–25.7% | 21.6% |
| 200'000 | 26.5% | 23.9–27.7% | 23.2% |
| 225'000 | 27.7% | 25.1–28.9% | 24.6% |
| 250'000 | 28.7% | 26–30% | 25.8% |
| 275'000 | 29.6% | 26.8–30.8% | 26.8% |
| 300'000 | 30.3% | 27.4–31.6% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20204.7 °C
Precipitation 1991–20201'816 mm
4.7 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
3'228 m
Mean elevation
1'642 m
Relief
2'496 m
Mean slope
28.9°
Flat share
1.1%
South-facing
13.9%
Above 2000 m
20.4%
Relief 2'496 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
27.7 GWh/yr
Roofs + façades
38 GWh/yr
≈ households powered
6'200
Per inhabitant
12'890 kWh/yr
28 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
28.26 Rp./kWh
Energy
13.01 Rp./kWh
Grid usage
10.18 Rp./kWh
Levies + grid surcharge
3.3 Rp./kWh
28.26 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
1.11 %
Second homes
53 %
Avg. rooms
3.5
Dwellings
2'245
Built before 194622.4%
Built since 200125.7%
Second Homes Act: no new second-home permits (official building restriction in force).
1.11 %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
602
Workplaces
227
Services share
69.8 %
Jobs by sector: Primary 96 (15.9%) · Secondary 86 (14.3%) · Tertiary 420 (69.8%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
32
Organic share
3.1 %
Farmland
555 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 municipalities2'149 #42 VS · #928 CHGrowing municipalities0.2% #82 VS · #1297 CHShrinking municipalities0.2% #41 VS · #820 CHJobs per resident0.28 #73 VS · #1401 CHFamilies & children18.6% #54 VS · #1565 CHAge structure20.8% #83 VS · #1085 CHWomen share48.4% #88 VS · #1763 CHForeign residents19.1% #50 VS · #942 CHPopulation density55/km² #61 VS · #1752 CHTax burden16'187 #99 VS · #1381 CHTaxes130% #95 VSWarmest municipalities4.7 °C #98 VS · #2007 CHSunniest municipalities50.4% #108 VS · #225 CHRainiest municipalities1'816 mm #1 VS · #70 CHVoter turnout55.2% #50 VS · #1191 CHAgainst Switzerland27.5% #6 VS · #141 CHAligned with Switzerland72.5% #66 VS · #1336 CHSVP strongholds37.5% #14 VS · #808 CHSP strongholds7.4% #75 VS · #1750 CHCentre strongholds33.9% #76 VS · #191 CHFDP strongholds11.9% #56 VS · #1164 CHGLP strongholds2.5% #25 VS · #1692 CHGreen strongholds6.2% #61 VS · #1300 CHLargest by area39.3 km² #38 VS · #232 CHHighest municipalities948 m #72 VS · #297 CHSecond homes53% #48 VS · #140 CHOrganic farming3.1% #103 VS · #1575 CHBest-connected municipalities101 min #42 VS · #1723 CHRemotest municipalities101 min #80 VS · #394 CHHighest peaks3'228 m #42 VS · #83 CHHighest-lying municipalities1'642 m #74 VS · #171 CHGreatest vertical range2'496 m #44 VS · #82 CHSteepest municipalities28.9° #49 VS · #131 CHSolar potential28 GWh #40 VS · #747 CHSolar potential per capita12'890 kWh #64 VS · #646 CHCheapest electricity28.26 Rp./kWh #115 VS · #1382 CHMost expensive electricity28.26 Rp./kWh #10 VS · #727 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 3Nearby municipalities
swisstopo- What is the postal code of Val-d'Illiez?
- The postal code of Val-d'Illiez is 1873.
- What is the tax rate in Val-d'Illiez?
- The municipal tax multiplier of Val-d'Illiez is 130% (2026); canton VS levies 100%.
- How much tax do you pay in Val-d'Illiez?
- A single person without children pays about 16'187 CHF income tax in Val-d'Illiez on 100'000 CHF gross income (federal, cantonal, municipal), rank 98 of 122 in canton VS. Source: ESTV (2026).
- How many residents does Val-d'Illiez have?
- Val-d'Illiez has 2'149 residents (2025).
- How many foreign residents live in Val-d'Illiez?
- Val-d'Illiez has 410 foreign residents, a share of 19.08% (2025).
Map
OpenStreetMapVal-d'Illiez compared with
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