About Kaiserstuhl AG
Kaiserstuhl is a village and former municipality in the district of Zurzach in the canton of Aargau in Switzerland. The small town is listed as a heritage site of national significance.
- Canton
- Aargau
- Area
- 26.0 km²
Population
8'336residents
Median taxable income
CHF 65'483
Vacancy
1.68%
Foreign residents
37.1%
Dwellings
4'286
Tax multiplier
115%
Land use across the commune
Every 100 × 100 m of Kaiserstuhl AG, coloured by how it's used. Drawn from the BFS Arealstatistik 2025 release — the most recent nationwide snapshot.
Source BFS Arealstatistik
Loading statistics …
Land use
16% built-up, 39% agricultural, 41% forest. Measured across 2'600 hectares (2018).
Source BFS Arealstatistik
Settlement17.1%
Agriculture40.1%
Forest42.7%
Water0.0%
Election Results
SVP led the 2023 National Council election with 39.1%, ahead of SP at 16.9%.
Source BFS
SVP39.1%+4.2 pp
SP16.9%+0.4 pp
Mitte16.5%
FDP10.5%−0.3 pp
GLP6.0%−0.3 pp
Grüne5.6%−3.9 pp
EVP1.7%+0.6 pp
Others
0.9%
2023 vs 2019
Primary / second-home mix
88.3% of dwellings are primary residences; 11.7% are second homes (2026).
Source BFS
Primary residences88.3%
Second homes11.7%
Climate data
Annual mean 7.9°C with — mm of rain. Warmest in July (16.9°C), coldest in January (-0.8°C). Station: Lägern, 845 m.
Source MeteoSchweiz
7.9°C
Annual mean
Mean 7.9°C
Sun ≈147 days
Lägern · 845 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
