Aarau

Aarau's 2026 population is now estimated at 23,219. In 1980, the population of Aarau was 17,971. Aarau has grown by 256 in the last year, which represents a 1.11% 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 .