The age distribution, , in Prilly is; 1,110 children or 9.9% of the population are between 0 and 9 years old and 1,081 teenagers or 9.7% are between 10 and 19. Of the adult population, 1,528 people or 13.6% of the population are between 20 and 29 years old. 1,710 people or 15.3% are between 30 and 39, 1,612 people or 14.4% are between 40 and 49, and 1,239 people or 11.1% are between 50 and 59. The senior population distribution is 1,211 people or 10.8% of the population are between 60 and 69 years old, 991 people or 8.8% are between 70 and 79, there are 619 people or 5.5% who are between 80 and 89, and there are 99 people or 0.9% who are 90 and older.