
City · Genève
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).
Onex is located in the canton of Genève.
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.
No exact matches in Onex
Explore similar listings nearby below.

CHF 3'950 /month
4.5 rooms · 100 m²
ch. des Bois-Jacquet 14, 1219 Aïre
0.8 kmCHF 2'698 /month
4 rooms
Chemin de la Traille 11, 1213 Onex
6 rooms
Chemin de la Traille 13, 1213 Onex
1.4 kmCHF 5'900 /month
6 rooms · 150 m²
1213 Petit-Lancy