About Gempen
Gempen is a municipality in the district of Dorneck in the canton of Solothurn in Switzerland.
- Canton
- Solothurn
- Area
- 6.0 km²
Population
934residents
Median taxable income
CHF 74'175
Vacancy
1.80%
Foreign residents
16.0%
Dwellings
444
Jobs (FTE)
421
Tax multiplier
117%
Land use across the commune
Every 100 × 100 m of Gempen, 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
421 full-time-equivalent jobs across 58 businesses — services make up 83% of employment, industry 8% (2018).
Source BFS STATENT
421FTE total
Primary9.3%
Secondary7.6%
Tertiary83.1%
Land use
7% built-up, 52% agricultural, 41% forest. Measured across 597 hectares (2018).
Source BFS Arealstatistik
Settlement6.9%
Agriculture52.4%
Forest40.7%
Water0.0%
Election Results
SVP led the 2023 National Council election with 28.4%, ahead of SP at 19.7%.
Source BFS
SVP28.4%+4.1 pp
SP19.7%+0.8 pp
Mitte14.5%
Grüne13.5%−9.4 pp
FDP12.9%−6.3 pp
GLP6.4%−0.2 pp
EVP0.7%+0.2 pp
2023 vs 2019
Primary / second-home mix
87.0% of dwellings are primary residences; 13.0% are second homes (2026).
Source BFS
Primary residences87.0%
Second homes13.0%
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
