Onex, Geneva
Onex: Municipality in Switzerland
About
Quick Facts about Onex
| Population : | 18,964 |
| Country : | Switzerland |
| State : | Geneva (Switzerland) |
| Head of government : | Mayor of Onex |
| Postal code : | 1213 |
| Plate code : | GE |
| Phone Area Codes : | 022 |
| Official name : | Onex |
| Official language : | French |
| Altitude : | 1,407 feet / 429, 427 meters |
| Time Zone : | Europe/Zurich |
| Local time : | 17:42:17 (6th December 2025) |
Geography
Onex is located at 46°10'60"N 6°6'0"E (46.1833333, 6.1).
Onex map
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- Official Website
Official website of Onex
François Mumenthaler ,
- Bandol
- Liestal
- Massagno
Demographics
| Year | Population | % Change | Method |
| 2012 | 17,851 | - | census |
| 2017 | 18,977 | 5.93% | census |
| 2018 | 18,964 | -0.07% | census |
