The age distribution, , in Birrhard is; 63 children or 9.7% of the population are between 0 and 9 years old and 83 teenagers or 12.7% are between 10 and 19. Of the adult population, 72 people or 11.0% of the population are between 20 and 29 years old. 67 people or 10.3% are between 30 and 39, 148 people or 22.7% are between 40 and 49, and 101 people or 15.5% are between 50 and 59. The senior population distribution is 68 people or 10.4% of the population are between 60 and 69 years old, 32 people or 4.9% are between 70 and 79, there are 16 people or 2.5% who are between 80 and 89,and there are 2 people or 0.3% who are 90 and older.