About Aesch (BL)
Aesch is a village and a municipality in the canton of Basel-Landschaft, Switzerland. Almost all of its area is located on the left, western bank of the Birs and is a suburb of Basel.
- Canton
- Basel-Landschaft
- Area
- 7.4 km²
Population
11'137residents
Median taxable income
CHF 72'241
Vacancy
0.94%
Foreign residents
27.3%
Dwellings
5'638
Jobs (FTE)
5'724
Tax multiplier
56%
Land use across the commune
Every 100 × 100 m of Aesch (BL), coloured by how it's used. Drawn from the BFS Arealstatistik 2025 release — the most recent nationwide snapshot.
Source BFS Arealstatistik
Loading statistics …
Election Results
SVP led the 2023 National Council election with 29.9%, ahead of SP at 24.6%.
Source BFS
SVP29.9%+4.7 pp
SP24.6%+2.9 pp
FDP15.0%−2.7 pp
Mitte13.1%
Grüne8.1%−7.1 pp
GLP5.0%+0.9 pp
EVP1.5%−0.1 pp
Others
0.5%
2023 vs 2019
Primary / second-home mix
91.8% of dwellings are primary residences; 8.2% are second homes (2026).
Source BFS
Primary residences91.8%
Second homes8.2%
Climate data
Annual mean 10.9°C with 842 mm of rain. Warmest in July (20.2°C), coldest in January (2.2°C). Station: Basel / Binningen, 316 m.
Source MeteoSchweiz
10.9°C
Annual mean
Mean 10.9°C
Rain 842 mm
Sun ≈141 days
Basel / Binningen · 316 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
