Municipality · canton of Solothurn
Olten
District of Olten. Municipality number 2581 in the federal register.
- residents, 2025
- 19’265
- km² of land
- 11.49
- residents per km²
- 1’677
- Canton
- Solothurn
- District
- Olten
- Residents 2025
- 19’265+1.1% on 2024
- Foreign residents
- 32.5%6’252 people
- Private households 2025
- 9’693
- Land area
- 11.49 km²without lakes
- Building insurance
- Compulsory, with Solothurnische Gebäudeversicherung (the canton’s own insurer).0.44 ‰ of the insured value a year, plus the 5% federal stamp duty on the premium: CHF 453.50 per CHF 1 million.Prämientarif BGS 618.181, Tarifcode 200, read 12.10.2026
- Mortgage lenders
- 10 of 10lenders on MEconomy with no stated limit that excludes this canton
- Postcodes
- 4600, 4612, 4663
What a household pays here
Health insurance and electricity for your household in Olten, against where you live today.
Sources: population and foreign residents on 31.12.2025 and private households 2025, Federal Statistical Office (STATPOP), on today’s municipal boundaries; municipalities, districts and land area without lakes, swisstopo swissTLMRegio; postcodes, swisstopo’s official locality register. Updated each September.