About Oberwil (BL)
Oberwil is a municipality in the district of Arlesheim in the canton of Basel-Country in Switzerland.
- Canton
- Basel-Landschaft
- Area
- 7.9 km²
Population
11'430residents
Median taxable income
CHF 83'508
Vacancy
0.86%
Foreign residents
24.4%
Dwellings
5'581
Jobs (FTE)
3'786
Tax multiplier
50%
Land use across the commune
Every 100 × 100 m of Oberwil (BL), 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
3'786 full-time-equivalent jobs across 709 businesses — services make up 90% of employment, industry 9% (2018).
Source BFS STATENT
3'786FTE total
Primary1.7%
Secondary8.7%
Tertiary89.6%
Land use
36% built-up, 43% agricultural, 19% forest. Measured across 788 hectares (2018).
Source BFS Arealstatistik
Settlement36.5%
Agriculture43.9%
Forest19.6%
Water0.0%
Election Results
SVP led the 2023 National Council election with 23.7%, ahead of SP at 22.6%.
Source BFS
SVP23.7%+2.6 pp
SP22.6%+4.5 pp
FDP18.7%−4.0 pp
Mitte13.6%
Grüne10.4%−6.3 pp
GLP8.6%+1.8 pp
EVP1.2%−0.5 pp
Others
0.1%
2023 vs 2019
Primary / second-home mix
90.3% of dwellings are primary residences; 9.7% are second homes (2026).
Source BFS
Primary residences90.3%
Second homes9.7%
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