The age distribution, , in Olsberg is; 23 children or 6.3% of the population are between 0 and 9 years old and 37 teenagers or 10.2% are between 10 and 19. Of the adult population, 31 people or 8.5% of the population are between 20 and 29 years old. 48 people or 13.2% are between 30 and 39, 57 people or 15.7% are between 40 and 49, and 62 people or 17.1% are between 50 and 59. The senior population distribution is 77 people or 21.2% of the population are between 60 and 69 years old, 17 people or 4.7% are between 70 and 79, there are 8 people or 2.2% who are between 80 and 89,and there are 3 people or 0.8% who are 90 and older.