 The total Swiss population change in 2008 (from all sources, including moves across municipal borders) was an increase of 10 and the non-Swiss population increased by 4 people.This represents a population growth rate of 1.8%.The age distribution, , in Rünenberg is; 51 children or 6.4% of the population are between 0 and 6 years old and 119 teenagers or 15.0% are between 7 and 19.