The age distribution, , in Léchelles is; 75 children or 14.9% of the population are between 0 and 9 years old and 58 teenagers or 11.5% are between 10 and 19. Of the adult population, 69 people or 13.7% of the population are between 20 and 29 years old. 77 people or 15.3% are between 30 and 39, 69 people or 13.7% are between 40 and 49, and 62 people or 12.3% are between 50 and 59. The senior population distribution is 44 people or 8.7% of the population are between 60 and 69 years old, 31 people or 6.2% are between 70 and 79, there are 17 people or 3.4% who are between 80 and 89, and there is 1 person who is 90 and older.