The age distribution, , in Gravesano is; 128 children or 10.7% of the population are between 0 and 9 years old and 120 teenagers or 10.1% are between 10 and 19. Of the adult population, 116 people or 9.7% of the population are between 20 and 29 years old. 173 people or 14.5% are between 30 and 39, 207 people or 17.3% are between 40 and 49, and 156 people or 13.1% are between 50 and 59. The senior population distribution is 156 people or 13.1% of the population are between 60 and 69 years old, 91 people or 7.6% are between 70 and 79, there are 47 people or 3.9% who are over 80.