Recent federal votes
BFS · sd-t-17-0214.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 53.9%51.8% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 54.2%36.4% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 49.8%56.2% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 49.4%30.6% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023Mitte25.6% · strongest party
Mitte25.6%
SVP20.9%
SP20.6%
GRÜNE15.3%
FDP13.6%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier110%
Cantonal tax multiplier100%
110%CH range 25%525%
Tax rank 21 of 122 in canton ValaisSource: ESTV · retrieved 20.07.2026
Climate
Sion · 2.4 kmAnnual mean temperature 202511.7 °C
Precipitation 2025583 mm
11.7 °CCH range -5.5°14°
Source: MeteoSwiss · retrieved 24.07.2026
Municipality
Wikidata · CC0Head of governmentPhilippe Varone · FDP.Die Liberalen
Websitesion.ch ↗
Source: Wikidata · retrieved 27.07.2026
Postal codes (9)
swisstopoLocalities
swisstopo · 16Aproz (Nendaz)1994Arvillard (Salins)1991Bramois1967Champlan (Grimisuat)1971Crête-à-l'Oeil (Les Agettes)1992La Vernaz (Les Agettes)1992Les Agettes1992Les Mayens-de-Sion1992Misériez (Salins)1991Pont-de-la-Morge (Sion)1962Pravidondaz (Salins)1991Salins1991Sion1950Turin (Salins)1991Uvrier1958Veysonnaz1993
Nearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Sion?
- Sion has 9 postal codes: 1950, 1958, 1962, 1967, 1971, 1991, 1992, 1993, 1994.
- What is the tax rate in Sion?
- The municipal tax multiplier of Sion is 110% (2026); canton VS levies 100%.
- How many residents does Sion have?
- Sion has 36'624 residents.
- How many foreign residents live in Sion?
- Sion has 11'293 foreign residents, a share of 30.4% (2024).
- Which party is strongest in Sion?
- In the 2023 National Council election, Mitte was the strongest party in Sion with 25.63% of the vote.