 The age distribution, , in Châtillon is; 43 children or 15.7% of the population are between 0 and 9 years old and 28 teenagers or 10.2% are between 10 and 19.Of the adult population, 32 people or 11.7% of the population are between 20 and 29 years old.46 people or 16.8% are between 30 and 39, 41 people or 15.0% are between 40 and 49, and 35 people or 12.8% are between 50 and 59.