Sion

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Sion

Total population

34,599

Air quality index

23Good

Coordinates46.23°, 7.36°

Demographic figures from Swiss Federal Statistical Office. Overview below cites Wikipedia and may reference a different year.

Overview

Sion is a Swiss town situated in the Rhône valley, a municipality, and the capital of the canton of Valais and of the district of Sion. As of December 2020 it had a population of 34,978.

Geography

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Air quality

Current readings from Open-Meteo Air Quality API (Copernicus CAMS European reanalysis).

Wildlife & biodiversity

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Earthquake history

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Notable people from here

Maurice Zermatten

Swiss writer (1910-2001)

Sébastien Fournier

Swiss footballer

Hermann Geiger

Swiss aviator (1914-1966)

P

Pierre Délèze

Swiss middle-distance runner

S

Sylviane Berthod

Swiss alpine skier

J

Jean-Luc Fournier

Swiss alpine skier

B

Basile Joseph Luyet

Swiss priest (1897-1974)

Marius Lampert

Swiss politician (1902-1991)

S

Stéphane Sarni

Italian footballer

R

Raymond Evéquoz

Swiss politician (1863-1945)

B

Bertrand Moren

E

Elisabeth Logean

Swiss journalist

F

Fernand Martignoni

Swiss helicopter pilot (1929-1982)

Abdul Carrupt

Guinea-Bissau footballer

P

Peter Roh

Swiss Jesuit preacher (1811-1872)

Jean-Pierre Fragnière

Swiss political scientist

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Nearby places in Valais

• Roumaz
  1.2 mi away
• Saint-Germain
  1.4 mi away
• Drône
  2.1 mi away
• Pont de la Morge
  2.2 mi away
• Vex
  2.3 mi away · pop. 1,929
• Grimisuat
  2.4 mi away · pop. 3,218
• Erde
  3.3 mi away
• Botyre (Ayent)
  3.8 mi away · pop. 610
• La Place (Ayent)
  3.9 mi away · pop. 220
• Saxonne (Ayent)
  4 mi away · pop. 250
• Mase
  4.3 mi away
• Haute Nendaz
  4.5 mi away

Browse all places in Valais →

Geography & sun

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Public attention

Pageview totals from the Wikimedia Pageviews API.

Books about Sion

Sion, Valais

Paul Budry · 1942

Le Site préhistorique du Petit-Chasseur, Sion, Valais

Alain Gallay · 1976

Le site préhistorique du Petit-Chasseur (Sion, Valais)

1976

Le néolithique du niveau inférieur du Petit-Chasseur a Sion, Valais

Marc-Rodolphe Sauter · 1972

Colloque vin et société

Jean-Claude Villettaz · 1995

Musée archéologique du Valais, Sion

Musée archéologique du Valais. · 1976

Sion Bas-Valais Cycle Map

Musée d'art du Valais, Sion

Pascal Ruedin · 2007

Search results from Open Library.

Recently spotted species

Common Spitting Spider

Scytodes thoracica

Seen 2026-10-13

Great Spotted Woodpecker

Dendrocopos major

Seen 2026-10-12

Seven-spotted Lady Beetle

Coccinella septempunctata

Seen 2026-10-10

Eurasian Three-toed Woodpecker

Picoides tridactylus

Seen 2026-10-10

European Mantis

Mantis religiosa

Seen 2026-10-09

Cotton Bollworm Moth

Helicoverpa armigera

Seen 2026-10-05

Shaggy Mane

Coprinus comatus

Seen 2026-10-04

Painted Lady

Vanessa cardui

Seen 2026-10-04

Mediterranean Spiny False Wolf Spider

Zoropsis spinimana

Seen 2026-10-04

Research-grade observations from iNaturalist (within ~15 mi).

Official Identifiers