Onex

Onex's 2026 population is now estimated at 18,906. In 1980, the population of Onex was 16,956. Onex experienced a decrease of -5 residents over the past year, marking an annual decline of -0.03%. These population values and projections come from Switzerland city census 1980 via CityPopulation attribution, Switzerland city census 1990 via CityPopulation attribution, Switzerland city census 2000 via CityPopulation attribution, Switzerland city estimate 2010 via CityPopulation attribution, Switzerland city estimate 2020 via CityPopulation attribution, Switzerland city estimate 2024 via CityPopulation attribution and World Population Review Internal Projections .