Au (SG)
Municipality in the canton of St. Gallen FSO no. 3231 Data 2025, as of 29 Sept 2026
In 2025, 125 of 4’195 dwellings stood vacant in Au (SG), a vacancy rate of 2.98%.
The vacancy rate fell from 5.11% in 2016 to 2.98% in 2025 (-2.13 pp).
That is the 3rd highest vacancy rate of 75 municipalities in the canton of St. Gallen.
Key figures 2025
- Vacancy rate
- 2.98%
- Vacant dwellings
- 125
- Dwelling stock
- 4’195
Vacancy trend 2016-2025
| Year | Rate | Vacant | Stock |
|---|---|---|---|
| 2025 | 2.98% | 125 | 4’195 |
| 2024 | 2.72% | 114 | 4’191 |
| 2023 | 2.97% | 123 | 4’141 |
| 2022 | 3.41% | 138 | 4’047 |
| 2021 | 4.12% | 164 | 3’981 |
| 2020 | 4.66% | 185 | 3’970 |
| 2019 | 4.75% | 184 | 3’874 |
| 2018 | 4.92% | 183 | 3’720 |
| 2017 | 4.88% | 180 | 3’689 |
| 2016 | 5.11% | 184 | 3’601 |
Breakdown of vacant dwellings
Of the 125 vacant dwellings, 15 are in single-family houses and 110 in multi-family houses; 100 are for rent and 25 for sale; 9 are new and 116 older.
House type
| House type | Vacant | Rate | Share of vacant |
|---|---|---|---|
| Single-family houses | 15 | 0.36% | 12% |
| Multi-family houses | 110 | 2.62% | 88% |
Sale / rent
| Sale / rent | Vacant | Rate | Share of vacant |
|---|---|---|---|
| For sale | 25 | 0.60% | 20% |
| For rent | 100 | 2.38% | 80% |
Dwelling age
| Dwelling age | Vacant | Rate | Share of vacant |
|---|---|---|---|
| New dwellings | 9 | 0.21% | 7.2% |
| Older dwellings | 116 | 2.77% | 92.8% |
Comparison
The canton of St. Gallen average is 1.37% (3’760 vacant of 274’453 dwellings).
Across Switzerland it is 1.00% (48’455 vacant of 4’845’500 dwellings).
| Comparison | Rate | Vacant | Stock |
|---|---|---|---|
| Au (SG) | 2.98% | 125 | 4’195 |
| St. Gallen | 1.37% | 3’760 | 274’453 |
| Switzerland | 1.00% | 48’455 | 4’845’500 |
More municipalities in the canton of St. Gallen
- St. Gallen2.30%
- Rapperswil-Jona1.98%
- Wil (SG)0.92%
- Gossau (SG)1.24%
- Buchs (SG)1.01%
- Uzwil1.27%
- Altstätten1.06%
- Rorschach2.15%
- Flawil1.29%
- Eschenbach (SG)0.20%
- Goldach3.40%
- Widnau0.69%
Source and method
Source: Federal Statistical Office (FSO), survey of vacant dwellings (Leerwohnungszählung), via stats.swiss. The dwelling stock is estimated from the published counts and rates.
House type, tenure and dwelling age are three independent breakdowns of the same vacant dwellings; they cannot be combined (there is no "rented new dwelling" figure).
Vacancy data for 2025, statistics computed on 29 Sept 2026.