 This represents a population growth rate of -2.7%.The age distribution, , in Pollegio is; 51 children or 5.9% of the population are between 0 and 9 years old and 87 teenagers or 10.1% are between 10 and 19.Of the adult population, 91 people or 10.6% of the population are between 20 and 29 years old.