
City · St. Gallen
Widnau is a municipality in the Wahlkreis (constituency) of Rheintal in the canton of St. Gallen in Switzerland.
Fibre
The rental vacancy rate is 0.69%, 50% below the cantonal average (1.37 %). The municipal tax multiplier (Steuerfuss) is 76%, 33% below the cantonal average (113 %) — tax-favourable. Median taxable income is CHF 59'200, 4% below the Swiss median (CHF 61'929). Widnau has 10'485 residents (2025).
Source: Swiss Federal Statistical Office (BFS).
2 apartments & houses are currently listed to buy in Widnau on Homematch. The selection updates throughout the day as agencies publish new listings.
The median asking price in Widnau is around CHF 8'207 per m². For an 80 m² property that's roughly CHF 656'552 — actual prices vary widely by neighbourhood, age and condition.
Widnau is located in the canton of St. Gallen.
Widnau has approximately 10'485 residents.
The municipal tax multiplier (Steuerfuss) in Widnau is 76% of the cantonal base rate. Note: this is a multiplier of the cantonal income tax, not an effective tax rate.

CHF 1'175'000
5.5 rooms · 151 m²
Schmitterstrasse 7B (Haus A), 9444 Diepoldsau
2.4 kmCHF 1'490'000
8 rooms · 199 m²
Bogenstrasse 8, 9444 Diepoldsau
CHF 865'000
5.5 rooms · 193 m²
Hauptstrasse 73, 9434 Au SG
Price on request
7.5 rooms · 354 m²
9442 Berneck
CHF 1'490'000
5.5 rooms · 179 m²
Büchelweg 8, 9434 Au
4.1 kmCHF 1'590'000
5.5 rooms · 160 m²
Büchelweg 10, 9434 Au