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List property Explore Recommended Favourites

4.5 rooms Apartments rent in Au Sg

Across Switzerland All properties

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Business

Studio
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Company

About us
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About Au (SG)

Au is a municipality in the Wahlkreis (constituency) of Rheintal in the canton of St. Gallen in Switzerland.

Canton: St. Gallen
Area: 4.7 km²

Population

8'628residents

Median taxable income

CHF 62'982

Vacancy

2.98%

Foreign residents

38.3%

Dwellings

4'195

Jobs (FTE)

4'807

Tax multiplier

93%

Land use across the commune

Every 100 × 100 m of Au (SG), coloured by how it's used. Drawn from the BFS Arealstatistik 2025 release — the most recent nationwide snapshot.

Source BFS Arealstatistik

Loading statistics …

Jobs & economy

4'807 full-time-equivalent jobs across 599 businesses — services make up 54% of employment, industry 45% (2018).

Source BFS STATENT

4'807FTE total

Primary1.0%

Secondary45.3%

Tertiary53.6%

Land use

55% built-up, 35% agricultural, 4% forest. Measured across 466 hectares (2018).

Source BFS Arealstatistik

Settlement58.4%

Agriculture37.2%

Forest4.4%

Water0.0%

Election Results

SVP led the 2023 National Council election with 38.8%, ahead of Mitte at 18.1%.

Source BFS

SVP

38.8%+4.5 pp

Mitte

18.1%

FDP

14.4%±0 pp

9.9%−1.6 pp

Grüne

6.2%−2.8 pp

GLP

5.8%−2.0 pp

EDU

1.1%+0.3 pp

Others

0.9%

2023 vs 2019

Primary / second-home mix

92.3% of dwellings are primary residences; 7.7% are second homes (2026).

Source BFS

Primary residences92.3%

Second homes7.7%

Climate data

Annual mean 8.7°C with 1'433 mm of rain. Warmest in July (17.5°C), coldest in January (0.2°C). Station: St. Gallen, 776 m.

Source MeteoSchweiz

8.7°C

Annual mean

Mean 8.7°C

Rain 1433 mm

Sun ≈135 days

St. Gallen · 776 m.a.s.l. · 1991–2020 normals

Warming trend

Mean annual temperature at St. Gallen has risen by +2.5°C between the first 30 observed years (1864–1893) and the most recent (1996–2025).

Source MeteoSchweiz NBCN

+2.5°C

mean 1996–2025 vs. 1864–1893

St. Gallen · 776 m.a.s.l. · 1864–2025

1 property

Home
Apartments rent
Canton St. Gallen
District Rheintal
Au (SG)

1 property in Au (SG)

1 / 24

CHF1'450.–

4.5 rooms90 m²

4.5 roomsCHF1'450.–90 m²

Bahnstrasse 40, 9435 Heerbrugg

"4.5-Zimmer-Wohnung"

4.5-Zimmer-Wohnung LAGE Zentrale Wohnlage in HeerbruggGute BesonnungSchöne Aussicht auf die BerglandschaftNähe zu EinkaufsmöglichkeitenGute Erreichbarkeit des Bahnhofs HeerbruggSchulen und Kindergarten in kurzer Gehdistanz erreichbar WOHNUNG Grosszügige ZimmeraufteilungHelles Wohn- und EsszimmerWohnfläche ca. 90 m2Badezimmer mit Dusche, Badewanne und WCSeparates WCKüche mit Geschirrspülergedeckter BalkonKellerabteil vorhandenkeine Haustiere nicht erlaubtParkplatz optional à CHF 60.00 pro Monat zumietbar

More listings in the Au (SG) area

Grosszügiges Wohnen in ruhigem Wohnquartier

1.5 km

CHF 2'290 /month

4.5 rooms · 114 m²

Alte Unterdorfstrasse 3, 9443 Widnau

1.9 km

CHF 1'990 /month

4.5 rooms · 106 m²

Unterdorfstrasse 47, 9443 Widnau

Charmante Wohnung mit Weitsicht ins Grüne und grosszügigem Grundriss

2.0 km

CHF 1'570 /month

Frequently asked questions

How many apartments are available to rent in Au (SG)?+

1 apartments are currently listed to rent in Au (SG) on Homematch. The selection updates throughout the day as agencies publish new listings.

Which canton is Au (SG) in?+

Au (SG) is located in the canton of St. Gallen.

What is the population of Au (SG)?+

Au (SG) has approximately 8'628 residents.

What is the municipal tax multiplier (Steuerfuss) in Au (SG)?+

The municipal tax multiplier (Steuerfuss) in Au (SG) is 93% of the cantonal base rate. Note: this is a multiplier of the cantonal income tax, not an effective tax rate.

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By room count

2+ rooms – Apartments Au (SG)(11)2.5+ rooms – Apartments Au (SG)(11)3+ rooms – Apartments Au (SG)(5)3.5+ rooms – Apartments Au (SG)(5)4+ rooms – Apartments Au (SG)(1)

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Postal codes

1 4.5-room Apartments for rent in Au (SG)