The age distribution, , in Écublens is; 1,168 children or 10.7% of the population are between 0 and 9 years old and 1,235 teenagers or 11.3% are between 10 and 19. Of the adult population, 1,720 people or 15.8% of the population are between 20 and 29 years old. 1,700 people or 15.6% are between 30 and 39, 1,647 people or 15.1% are between 40 and 49, and 1,417 people or 13.0% are between 50 and 59. The senior population distribution is 1,073 people or 9.8% of the population are between 60 and 69 years old, 599 people or 5.5% are between 70 and 79, there are 281 people or 2.6% who are between 80 and 89, and there are 69 people or 0.6% who are 90 and older.