The population of Onex, Switzerland in July 2026. How many residents now in Onex?

Switzerland / Onex

The estimated population of Onex as of July 2026 is around 18,933 residents. Please note: this population number is an estimate and may slightly change as people get born and die, it also depends on migration to/from Onex.

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Check out more data on population in Switzerland:

Flawil
Sarnen
Val-de-Travers
Plan-les-Ouates
Zollikofen
Suhr
Davos

This population of Onex is provided by the local bureau of statistics.
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