About Au ZH
Au is a village in the municipality Wädenswil in the district of Horgen in the canton of Zürich in Switzerland.
- Canton
- Zürich
- Area
- 35.6 km²
Population
25'704residents
Median taxable income
CHF 72'267
Vacancy
0.36%
Foreign residents
24.5%
Dwellings
12'500
Jobs (FTE)
9'750
Tax multiplier
102%
Land use across the commune
Every 100 × 100 m of Au ZH, 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
9'750 full-time-equivalent jobs across 1'860 businesses — services make up 80% of employment, industry 16% (2018).
Source BFS STATENT
9'750FTE total
Primary4.1%
Secondary16.2%
Tertiary79.7%
Land use
20% built-up, 61% agricultural, 15% forest. Measured across 3'561 hectares (2018).
Source BFS Arealstatistik
Settlement21.0%
Agriculture63.2%
Forest15.8%
Water0.0%
Election Results
SVP led the 2023 National Council election with 30.4%, ahead of SP at 16.3%.
Source BFS
SVP30.4%+1.2 pp
SP16.3%+2.5 pp
Mitte13.9%
FDP12.4%−1.1 pp
GLP10.0%−1.0 pp
Grüne9.2%−3.7 pp
EVP3.3%−0.8 pp
Others
1.9%
2023 vs 2019
Primary / second-home mix
91.2% of dwellings are primary residences; 8.8% are second homes (2026).
Source BFS
Primary residences91.2%
Second homes8.8%
Climate data
Annual mean 10.0°C with 1'362 mm of rain. Warmest in July (19.3°C), coldest in January (1.0°C). Station: Wädenswil, 485 m.
Source MeteoSchweiz
10.0°C
Annual mean
Mean 10.0°C
Rain 1362 mm
Sun ≈142 days
Wädenswil · 485 m.a.s.l. · 1991–2020 normals
Warming trend
Mean annual temperature at Zürich / Fluntern has risen by +2.2°C between the first 30 observed years (1864–1893) and the most recent (1996–2025).
Source MeteoSchweiz NBCN
+2.2°C
mean 1996–2025 vs. 1864–1893
Zürich / Fluntern · 556 m.a.s.l. · 1864–2025
