The age distribution, , in Bex is; 646 children or 10.3% of the population are between 0 and 9 years old and 810 teenagers or 12.9% are between 10 and 19. Of the adult population, 713 people or 11.4% of the population are between 20 and 29 years old. 731 people or 11.7% are between 30 and 39, 1,000 people or 16.0% are between 40 and 49, and 815 people or 13.0% are between 50 and 59. The senior population distribution is 710 people or 11.3% of the population are between 60 and 69 years old, 534 people or 8.5% are between 70 and 79, there are 249 people or 4.0% who are 80 and 89, and there are 59 people or 0.9% who are 90 and older.