 Of the adult population, 149 people or 8.1% of the population are between 20 and 29 years old.264 people or 14.3% are between 30 and 39, 330 people or 17.9% are between 40 and 49, and 243 people or 13.1% are between 50 and 59.The senior population distribution is 211 people or 11.4% of the population are between 60 and 69 years old, 160 people or 8.7% are between 70 and 79, there are 99 people or 5.4% who are over 80.

, there were 646 private households in Sonvico, and an average of 2.4 persons per household.