The age distribution, , in Kirchleerau is; 64 children or 8.6% of the population are between 0 and 9 years old and 74 teenagers or 9.9% are between 10 and 19. Of the adult population, 82 people or 11.0% of the population are between 20 and 29 years old. 117 people or 15.7% are between 30 and 39, 130 people or 17.4% are between 40 and 49, and 114 people or 15.3% are between 50 and 59. The senior population distribution is 85 people or 11.4% of the population are between 60 and 69 years old, 49 people or 6.6% are between 70 and 79, there are 28 people or 3.8% who are between 80 and 89,and there are 3 people or 0.4% who are 90 and older.