About Sisseln
Sisseln is a municipality in the district of Laufenburg in the canton of Aargau in Switzerland.
- Canton
- Aargau
- Area
- 2.5 km²
Population
1'653residents
Median taxable income
CHF 69'856
Vacancy
0.13%
Foreign residents
30.4%
Dwellings
769
Jobs (FTE)
1'117
Tax multiplier
80%
Land use across the commune
Every 100 × 100 m of Sisseln, coloured by how it's used. Drawn from the BFS Arealstatistik 2025 release — the most recent nationwide snapshot.
Source BFS Arealstatistik
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Jobs & economy
1'117 full-time-equivalent jobs across 0 businesses — services make up 22% of employment, industry 77% (2018).
Source BFS STATENT
1'117FTE total
Primary0.4%
Secondary77.2%
Tertiary22.4%
Land use
34% built-up, 33% agricultural, 18% forest. Measured across 258 hectares (2018).
Source BFS Arealstatistik
Settlement40.0%
Agriculture38.6%
Forest21.4%
Water0.0%
Election Results
SVP led the 2023 National Council election with 49.5%, ahead of SP at 13.6%.
Source BFS
SVP49.5%+6.8 pp
SP13.6%−1.7 pp
Mitte11.6%
FDP7.5%−0.7 pp
GLP7.2%−4.1 pp
Grüne4.1%−2.8 pp
EDU0.8%+0.8 pp
Others
1.0%
2023 vs 2019
Primary / second-home mix
94.9% of dwellings are primary residences; 5.1% are second homes (2026).
Source BFS
Primary residences94.9%
Second homes5.1%
Climate data
Annual mean 9.6°C with 972 mm of rain. Warmest in July (18.6°C), coldest in January (1.0°C). Station: Rünenberg, 611 m.
Source MeteoSchweiz
9.6°C
Annual mean
Mean 9.6°C
Rain 972 mm
Sun ≈140 days
Rünenberg · 611 m.a.s.l. · 1991–2020 normals
Warming trend
Mean annual temperature at Basel / Binningen has risen by +2.4°C between the first 30 observed years (1755–1784) and the most recent (1996–2025).
Source MeteoSchweiz NBCN
+2.4°C
mean 1996–2025 vs. 1755–1784
Basel / Binningen · 316 m.a.s.l. · 1755–2025
