 The age distribution, , in Collina d'Oro is; 429 children or 9.6% of the population are between 0 and 9 years old and 714 teenagers or 15.9% are between 10 and 19.Of the adult population, 368 people or 8.2% of the population are between 20 and 29 years old.564 people or 12.6% are between 30 and 39, 714 people or 15.9% are between 40 and 49, and 613 people or 13.7% are between 50 and 59.