Switzerland · Canton VS
Vionnaz
1895–1899Residents
3'080
Area
21 km²
Population density
147 pop./km²
Elevation
395 m a.s.l.
Terrain up to
1'994 m a.s.l.
Tax multiplier
110%
Postal codes
2
Demographics
BFS · 2025Women
1'491 48.4%
Men
1'589 51.6%
Children & youth (0–19)
623 20.2%
Swiss citizens
2'442 79.3%
Foreign residents
638 20.7%
Population density
147 pop./km²
0–19 · 623 · 20.2%20–64 · 1'891 · 61.4%65+ · 566 · 18.4%
Foreign residents 20.7%0%64.0%
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026
14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)Federal● Accepted · 52.5% Yes
61.6% YesNo 38.4%
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»Federal● Rejected · 45.2% Yes
51.7% YesNo 48.3%
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»Federal● Rejected · 29.3% Yes
19.3% YesNo 80.7%
08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»Federal● Rejected · 38.1% Yes
43.2% YesNo 56.8%
08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederal● Rejected · 37.4% Yes
54.2% YesNo 45.8%
08.03.2026Bundesbeschluss über die schweizerische Währung und die Bargeldversorgung (Gegenvorschlag zur Bargeldinitiative)Federal● Accepted · 73.4% Yes
63.6% YesNo 36.4%
08.03.2026Volksinitiative «Ja zu einer unabhängigen, freien Schweizer Währung mit Münzen oder Banknoten (Bargeld ist Freiheit)»Federal● Rejected · 45.6% Yes
63.1% YesNo 36.9%
30.11.2025Volksinitiative «Für eine soziale Klimapolitik – steuerlich gerecht finanziert (Initiative für eine Zukunft)»Federal● Rejected · 21.7% Yes
11.2% YesNo 88.9%
30.11.2025Volksinitiative «Für eine engagierte Schweiz (Service-citoyen-Initiative)»Federal● Rejected · 15.9% Yes
13.7% YesNo 86.3%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026
Politics
National Council election 2023SVP31.4% · strongest party
SVP31.4%
Mitte27.0%
FDP18.2%
SP13.0%
GRÜNE7.8%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026
Taxes 2026
ESTVMunicipal tax multiplier110%
Cantonal tax multiplier100%
110%VS range 100%145%
Tax rank 32 of 122 in canton ValaisTax burden
Single, 100'000 CHF gross income
14'886 CHF(14.9%)
Rank 38 of 122 in the canton · 984 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:14'886 CHF(~14.9%)
VionnazCanton range ValaisSwitzerland median
Show data table
| Gross income | Vionnaz | 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 | 11.3% | 10.2–13.5% | 11.9% |
| 80'000 | 12.6% | 11.4–14.9% | 13.1% |
| 90'000 | 13.6% | 12.4–16% | 14.1% |
| 100'000 | 14.9% | 13.7–17.3% | 15.3% |
| 110'000 | 16% | 14.8–18.5% | 16.3% |
| 120'000 | 17.1% | 15.9–19.6% | 17.2% |
| 130'000 | 18.2% | 17–20.8% | 18.1% |
| 140'000 | 19.3% | 18.1–22% | 19% |
| 150'000 | 20.4% | 19.1–23% | 19.7% |
| 175'000 | 23% | 21.8–25.7% | 21.6% |
| 200'000 | 24.9% | 23.9–27.7% | 23.2% |
| 225'000 | 26.1% | 25.1–28.9% | 24.6% |
| 250'000 | 27.1% | 26–30% | 25.8% |
| 275'000 | 27.8% | 26.8–30.8% | 26.8% |
| 300'000 | 28.5% | 27.4–31.6% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 31.08.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209.1 °C
Precipitation 1991–20201'180 mm
9.1 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
1'994 m
Mean elevation
1'111 m
Relief
1'616 m
Mean slope
24.7°
Flat share
14.0%
South-facing
12.7%
Above 2000 m
0.0%
Relief 1'616 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
23.3 GWh/yr
Roofs + façades
30.8 GWh/yr
≈ households powered
5'200
23 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 31.08.2026
Electricity
ElCom · 2026Tariff H4
29.69 Rp./kWh
Energy
14.04 Rp./kWh
Grid usage
10.59 Rp./kWh
Levies + grid surcharge
3.3 Rp./kWh
29.69 Rp./kWh9.6443.61
Canton median 26.87 Rp./kWhSwiss median 27.7 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.
2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026
Housing
BFSVacancy rate
0.69 %
Avg. rooms
3.1
Dwellings
2'175
Built before 19469.6%
Built since 200123.8%
0.69 %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 31.08.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026
Accessibility
ARE · NPVMNational Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026
Municipality
Wikidata · CC0Websitevionnaz.ch ↗
Wikidata · continuously updated, retrieved 31.08.2026
Rankings
31Largest municipalities3'080 #34 VS · #710 CHFamilies & children20.2% #28 VS · #1089 CHAge structure18.4% #106 VS · #1582 CHWomen share48.4% #89 VS · #1764 CHForeign residents20.7% #44 VS · #797 CHPopulation density147/km² #30 VS · #1236 CHTax burden14'886 #39 VS · #985 CHTaxes110% #32 VSWarmest municipalities9.1 °C #27 VS · #1333 CHSunniest municipalities50.7% #106 VS · #218 CHRainiest municipalities1'180 mm #18 VS · #742 CHVoter turnout50% #86 VS · #1699 CHAgainst Switzerland18.2% #49 VS · #669 CHAligned with Switzerland81.8% #24 VS · #802 CHSVP strongholds31.4% #29 VS · #1188 CHSP strongholds13% #44 VS · #1164 CHCentre strongholds27% #99 VS · #305 CHFDP strongholds18.2% #30 VS · #578 CHGLP strongholds2.1% #36 VS · #1747 CHGreen strongholds7.8% #41 VS · #918 CHLargest by area21 km² #69 VS · #461 CHHighest municipalities395 m #116 VS · #1918 CHRemotest municipalities82 min #110 VS · #733 CHBest-connected municipalities82 min #13 VS · #1402 CHHighest peaks1'994 m #109 VS · #359 CHHighest-lying municipalities1'111 m #103 VS · #343 CHGreatest vertical range1'616 m #107 VS · #307 CHSteepest municipalities24.7° #90 VS · #272 CHSolar potential23 GWh #50 VS · #898 CHCheapest electricity29.69 Rp./kWh #112 VS · #1440 CHMost expensive electricity29.69 Rp./kWh #15 VS · #671 CH
Postal codes (2)
swisstopoLocalities
swisstopo · 2Nearby municipalities
swisstopo- What is the postal code of Vionnaz?
- Vionnaz has 2 postal codes: 1895, 1899.
- What is the tax rate in Vionnaz?
- The municipal tax multiplier of Vionnaz is 110% (2026); canton VS levies 100%.
- How much tax do you pay in Vionnaz?
- A single person without children pays about 14'886 CHF income tax in Vionnaz on 100'000 CHF gross income (federal, cantonal, municipal), rank 38 of 122 in canton VS. Source: ESTV (2026).
- How many residents does Vionnaz have?
- Vionnaz has 3'080 residents (2025).
- How many foreign residents live in Vionnaz?
- Vionnaz has 638 foreign residents, a share of 20.71% (2025).
Map
OpenStreetMapVionnaz compared with
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