The age distribution, , in Leimbach is; 46 children or 10.7% of the population are between 0 and 9 years old and 48 teenagers or 11.2% are between 10 and 19. Of the adult population, 41 people or 9.6% of the population are between 20 and 29 years old. 58 people or 13.6% are between 30 and 39, 73 people or 17.1% are between 40 and 49, and 62 people or 14.5% are between 50 and 59. The senior population distribution is 45 people or 10.5% of the population are between 60 and 69 years old, 42 people or 9.8% are between 70 and 79, there are 12 people or 2.8% who are between 80 and 89,and there is 1 person who is between 90 and older.