Population
12'788↑1.6%
About Altstätten SG
City · St. Gallen
Altstätten is a small historic rural town and a municipality in the district Rhine Valley, in the canton of St. Gallen in Switzerland. It is located with some secure distance of about 5 kilometres (3.1 mi) west from the Alpine Rhine in the flat and wide St. Gall Rhine Valley, which also designates the border with Austria. It further gives access to the higher situated Appenzell to the west.
Population
12'788
Tax multiplier
107%
Altstätten SG in numbers
Federal data — BFS (STATPOP, STATENT, land use), ESTV, BAKOM, ARE.107%
Below average in canton
Median taxable income
CHF 45'600↑1.6%
Bottom quartile in canton
Median net income
CHF 51'100↑1.2%
75%
Cantonal tax multiplier
105%
1.06%↓2.8%
Middle in canton
- Agriculture60%
- Forest21%
- Settlement14%
- Other4%
Foreign residents
31.7%↓0.7%
Top quartile in canton
Median rent
CHF 17/ m²
−8% vs CH
Dwellings
6'509↑1.4%
Jobs (FTE)
6'085↓0.7%
87%
62%
Fibre
Housing market in Altstätten SG
The rental vacancy rate is 1.06%, 23% below the cantonal average (1.37 %) — a tight rental market. The municipal tax multiplier (Steuerfuss) is 107%, 5% below the cantonal average (113 %) — tax-favourable. Median taxable income is CHF 53'600, 13% below the Swiss median (CHF 61'929). Altstätten SG has 12'788 residents (2025).
Source: Swiss Federal Statistical Office (BFS).
