
Municipality · Geneva
Onex is a municipality in the canton of Geneva in Switzerland.
Fibre
The rental vacancy rate is 0.39%, 14% above the cantonal average (0.34 %) — a comparatively relaxed market. The municipal tax multiplier (Steuerfuss) is 51%, 15% above the cantonal average (44 %). Median taxable income is CHF 59'800, 3% below the Swiss median (CHF 61'929). Onex has 19'101 residents (2025).
Source: Swiss Federal Statistical Office (BFS).
2 commercial properties are currently listed to rent in Onex on Homematch. The selection updates throughout the day as agencies publish new listings.
Onex is located in the canton of Geneva.
Onex has approximately 19'101 residents.
The municipal tax multiplier (Steuerfuss) in Onex is 51% of the cantonal base rate. Note: this is a multiplier of the cantonal income tax, not an effective tax rate.