Key location factors for Olten at a glance.
Source: third-party market data · July 2026 · asking rents from listings
Olten has a mixed building structure: 53 % single-family, 37 % multi-family and 9 % 2-unit buildings.
The median build year 1933 is below the Swiss average (1991). 81 % of buildings date from before 1980.
Heat pumps are recorded in 3 % of updated GWR entries (from 2015).
Taxes, health insurance, housing costs and commute times — for every Swiss municipality.
Die Leerwohnungsziffer liegt bei 2,06 Prozent (2025), was als lockerer Markt eingestuft wird. Das bedeutet vergleichsweise mehr Auswahl für Wohnungssuchende.
Der Kaufpreis für Wohnungen liegt bei CHF 6'374 pro m2, günstiger als in 59 Prozent aller Schweizer Gemeinden. Die Miete liegt bei CHF 22,3 pro m2 und Monat, teurer als in 56 Prozent aller Gemeinden.
Für eine alleinstehende Person mit CHF 150'000 Bruttoeinkommen liegt die Steuerbelastung bei 19,8 Prozent beziehungsweise CHF 29'743, ohne Kirchensteuer. Das ist teurer als in 51 Prozent aller Schweizer Gemeinden.
Im Umkreis von Olten gibt es weniger unversiegelte Fläche als bei 92 Prozent aller Schweizer Gemeinden. Innerhalb der Gemeinde selbst sind allerdings 42 Prozent Wald und 11 Prozent Landwirtschaftsfläche, bei 43 Prozent Siedlungsfläche.
Olten zählt 19'051 Einwohner. Der Anteil der Personen ab 65 Jahren liegt bei 18,7 Prozent, der Anteil unter 15-Jähriger bei 15,2 Prozent.
Rents in the range of CHF 20-25/m²/mo. serve as a reference value for market-rate listings in Olten. Individual listings may vary significantly depending on location, condition, and floor.
Rental prices in Olten are currently typically in the range CHF 20-25 per m² per month (range depending on location, condition and floor). A 70 m² apartment thus comes to roughly CHF 1,450–1,700 per month — the effective market range starts lower for small apartments and rises disproportionately for large ones.
The m² price for owner-occupied apartments in Olten is typically in the range CHF 6'000-6'700 per m². The actual range depends heavily on location, year built, finish standard and views.
The m² price for houses in Olten is typically in the range CHF 5'600-7'200 per m² (defensive range ±12 %). House prices vary considerably depending on plot size, buildability and micro-location within the municipality — a direct m² comparison serves only as an initial orientation.
The effective tax burden in Olten is 19.8 % on income — for a gross income of CHF 150,000 (single, without church tax) this amounts to roughly CHF 29,743 per year. The Swiss median is 19.8 %; the burden in Olten is above. Source: Swiss Federal Tax Administration tax burden statistics 2025.
No — in Olten the share of second homes is 12.6 %, below the 20 % threshold. The second-home law does not apply here, and new second homes are generally permitted. Source: Federal Office for Spatial Development (ARE), 2025.
A first reference point is the local price per square metre: in Olten the median is around CHF 6'374 per m² for condominiums. A realistic estimate also factors in location, year of construction, condition, fit-out quality and view. How the price compares with other municipalities is shown by the Immoskop municipality comparison: all 2’110 municipalities by housing costs, taxes and health insurance premiums — as guidance, not a substitute for an official or bank-verified valuation.
Municipalities nearby, ordered by driving time — purchase price difference to Olten colour-coded.
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