The age distribution, , in Signy-Avenex is; 49 children or 11.6% of the population are between 0 and 9 years old and 42 teenagers or 10.0% are between 10 and 19. Of the adult population, 33 people or 7.8% of the population are between 20 and 29 years old. 66 people or 15.6% are between 30 and 39, 68 people or 16.1% are between 40 and 49, and 53 people or 12.6% are between 50 and 59. The senior population distribution is 60 people or 14.2% of the population are between 60 and 69 years old, 35 people or 8.3% are between 70 and 79, there are 13 people or 3.1% who are between 80 and 89, and there are 3 people or 0.7% who are 90 and older.