The age distribution, , in Lignerolle is; 33 children or 8.6% of the population are between 0 and 9 years old and 67 teenagers or 17.4% are between 10 and 19. Of the adult population, 41 people or 10.6% of the population are between 20 and 29 years old. 64 people or 16.6% are between 30 and 39, 55 people or 14.3% are between 40 and 49, and 56 people or 14.5% are between 50 and 59. The senior population distribution is 31 people or 8.1% of the population are between 60 and 69 years old, 16 people or 4.2% are between 70 and 79, there are 19 people or 4.9% who are between 80 and 89, and there are 3 people or 0.8% who are 90 and older.