Sion

Sion's 2026 population is now estimated at 38,292. In 1980, the population of Sion was 23,775. Sion has grown by 573 in the last year, which represents a 1.52% annual change. 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 .