The age distribution, , in Ecublens is; 43 children or 16.2% of the population are between 0 and 9 years old and 49 teenagers or 18.4% are between 10 and 19. Of the adult population, 22 people or 8.3% of the population are between 20 and 29 years old. 35 people or 13.2% are between 30 and 39, 57 people or 21.4% are between 40 and 49, and 19 people or 7.1% are between 50 and 59. The senior population distribution is 21 people or 7.9% of the population are between 60 and 69 years old, 16 people or 6.0% are between 70 and 79, there are 4 people or 1.5% who are between 80 and 89.