
City · St. Gallen
Widnau is a municipality in the Wahlkreis (constituency) of Rheintal in the canton of St. Gallen in Switzerland.
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).
22 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 8'258 per m². For an 80 m² property that's roughly CHF 660'606 — 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 1'195'000
4.5 rooms · 120 m²
9435 Heerbrugg (Au (SG))
CHF 1'395'000
5.5 rooms · 140 m²
Neuwiesstrasse 6a, 9434 Heerbrugg

CHF 555'000
3.5 rooms · 110 m²
Eulenweg 8, 9435 Heerbrugg
1.7 kmCHF 1'550'000
4.5 rooms · 202 m²
Brändlihangstrasse 10, 9442 Berneck

CHF 985'000
3.5 rooms · 132 m²
Brändlihangstrasse 10, 9442 Berneck
1.7 kmCHF 795'000
3.5 rooms · 102 m²
Brändlihangstrasse 10, 9442 Berneck
2.2 kmCHF 695'000
145 m²
Wiesgasse 7, 9444 Diepoldsau