The age distribution, , in Montherod is; 63 children or 12.1% of the population are between 0 and 9 years old and 70 teenagers or 13.5% are between 10 and 19. Of the adult population, 62 people or 11.9% of the population are between 20 and 29 years old. 86 people or 16.6% are between 30 and 39, 98 people or 18.9% are between 40 and 49, and 67 people or 12.9% are between 50 and 59. The senior population distribution is 40 people or 7.7% of the population are between 60 and 69 years old, 20 people or 3.9% are between 70 and 79, there are 12 people or 2.3% who are between 80 and 89, and there is 1 person who is 90 and older.