 The total Swiss population change in 2008 (from all sources, including moves across municipal borders) was an increase of 61 and the non-Swiss population change was an increase of 5 people.This represents a population growth rate of 2.7%.The age distribution, , in Tenero-Contra is; 267 children or 10.2% of the population are between 0 and 9 years old and 266 teenagers or 10.2% are between 10 and 19.