The age distribution, , in Curtilles is; 38 children or 12.5% of the population are between 0 and 9 years old and 45 teenagers or 14.8% are between 10 and 19. Of the adult population, 26 people or 8.5% of the population are between 20 and 29 years old. 40 people or 13.1% are between 30 and 39, 42 people or 13.8% are between 40 and 49, and 44 people or 14.4% are between 50 and 59. The senior population distribution is 33 people or 10.8% of the population are between 60 and 69 years old, 18 people or 5.9% are between 70 and 79, there are 17 people or 5.6% who are between 80 and 89, and there are 2 people or 0.7% who are 90 and older.