 The total Swiss population change in 2008 (from all sources, including moves across municipal borders) was a decrease of 10 and the non-Swiss population change was an increase of 12 people.This represents a population growth rate of 0.3%.The age distribution, , in Maroggia is; 48 children or 8.1% of the population are between 0 and 9 years old and 41 teenagers or 6.9% are between 10 and 19.