The age distribution, , in Montricher is; 95 children or 11.8% of the population are between 0 and 9 years old and 125 teenagers or 15.5% are between 10 and 19. Of the adult population, 59 people or 7.3% of the population are between 20 and 29 years old. 114 people or 14.1% are between 30 and 39, 143 people or 17.7% are between 40 and 49, and 99 people or 12.3% are between 50 and 59. The senior population distribution is 97 people or 12.0% of the population are between 60 and 69 years old, 43 people or 5.3% are between 70 and 79, there are 31 people or 3.8% who are between 80 and 89, and there are 2 people or 0.2% who are 90 and older.