About 4578 Bibern SO
Buchegg is a municipality in the district of Bucheggberg, in the canton of Solothurn, Switzerland. On 1 January 2014 the former municipalities of Tscheppach, Brügglen, Aetingen, Aetigkofen, Bibern (SO), Gossliwil, Hessigkofen, Mühledorf (SO), Küttigkofen and Kyburg-Buchegg merged into the new municipality of Buchegg. On 1 January 2024 the former municipality of Lüterswil-Gächliwil merged into the municipality of Buchegg.
- Canton
- Solothurn
- Area
- 25.6 km²
Population
2'964residents
Median taxable income
CHF 68'714
Vacancy
0.80%
Foreign residents
5.8%
Dwellings
1'500
Jobs (FTE)
1'018
Tax multiplier
110%
Land use across the commune
Every 100 × 100 m of 4578 Bibern SO, 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
1'018 full-time-equivalent jobs across 224 businesses — services make up 67% of employment, industry 13% (2018).
Source BFS STATENT
1'018FTE total
Primary20.2%
Secondary12.7%
Tertiary67.1%
Land use
9% built-up, 56% agricultural, 34% forest. Measured across 2'581 hectares (2018).
Source BFS Arealstatistik
Settlement8.9%
Agriculture56.7%
Forest34.4%
Water0.0%
Election Results
SVP led the 2023 National Council election with 32.7%, ahead of FDP at 24.8%.
Source BFS
SVP32.7%+2.1 pp
FDP24.8%+4.6 pp
SP16.6%−0.8 pp
Mitte8.4%
Grüne7.3%−2.9 pp
GLP6.6%−1.8 pp
EVP1.4%+0.8 pp
2023 vs 2019
Primary / second-home mix
89.0% of dwellings are primary residences; 11.0% are second homes (2026).
Source BFS
Primary residences89.0%
Second homes11.0%
Climate data
Annual mean 9.3°C with 1'026 mm of rain. Warmest in July (18.7°C), coldest in January (0.4°C). Station: Koppigen, 485 m.
Source MeteoSchweiz
9.3°C
Annual mean
Mean 9.3°C
Rain 1026 mm
Koppigen · 485 m.a.s.l. · 1991–2020 normals
Warming trend
Mean annual temperature at Bern / Zollikofen 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
Bern / Zollikofen · 553 m.a.s.l. · 1864–2025
