Population
19'101↑1.0%

Municipality · Geneva
One-X, a 2006 album by Three Days Grace
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).