Population
2'614↑0.5%
About Unterwasser
City · St. Gallen
Unterwasser is a village in the Toggenburg region of the canton of St. Gallen, Switzerland, situated at the confluence of the two streams forming the upper Thur. Formerly part of Wildhaus municipality, it has since 2010 been part of Wildhaus-Alt St. Johann by merger of Wildhaus and Alt St. Johann. It is a relatively small ski resort, and many of its trails are shared with nearby Alt st. Johan.
Population
2'614
Tax multiplier
118%
Unterwasser in numbers
Federal data — BFS (STATPOP, STATENT, land use), ESTV, BAKOM, ARE.118%
Above average in canton
Median taxable income
CHF 37'300↓1.3%
Bottom 10% in canton
Median net income
CHF 43'550↑1.3%
72%
Cantonal tax multiplier
105%
1.23%↑89.2%
Above average in canton
- Agriculture51%
- Forest28%
- Other18%
- Settlement3%
Foreign residents
16.0%↑7.2%
Below average in canton
Dwellings
3'252↑0.6%
Jobs (FTE)
1'165↑3.3%
36%
39%
Fibre
Housing market in Unterwasser
The rental vacancy rate is 1.23%, 10% below the cantonal average (1.37 %) — a tight rental market. The municipal tax multiplier (Steuerfuss) is 118%, 4% above the cantonal average (113 %). Median taxable income is CHF 44'300, 28% below the Swiss median (CHF 61'929). Unterwasser has 2'614 residents (2025).
Source: Swiss Federal Statistical Office (BFS).
