The age distribution, , in Sonogno is; 7 children or 7.9% of the population are between 0 and 9 years old and 5 teenagers or 5.6% are between 10 and 19. Of the adult population, 3 people or 3.4% of the population are between 20 and 29 years old. 11 people or 12.4% are between 30 and 39, 19 people or 21.3% are between 40 and 49, and 13 people or 14.6% are between 50 and 59. The senior population distribution is 16 people or 18.0% of the population are between 60 and 69 years old, 10 people or 11.2% are between 70 and 79, there are 5 people or 5.6% who are over 80.