Population
37'844↑1.9%

Municipality · Valais
Sion may refer toan alternative spelling of Zion
The rental vacancy rate is 0.22%, 82% below the cantonal average (1.19 %) — a tight rental market. The municipal tax multiplier (Steuerfuss) is 110%, 6% below the cantonal average (117 %) — tax-favourable. Median taxable income is CHF 54'400, 12% below the Swiss median (CHF 61'929). Sion has 37'844 residents (2025).
Source: Swiss Federal Statistical Office (BFS).