The age distribution, , in Wolfwil is; 152 children or 7.8% of the population are between 0 and 6 years old and 331 teenagers or 17.1% are between 7 and 19. Of the adult population, 85 people or 4.4% of the population are between 20 and 24 years old. 573 people or 29.6% are between 25 and 44, and 460 people or 23.7% are between 45 and 64. The senior population distribution is 262 people or 13.5% of the population are between 65 and 79 years old and there are 76 people or 3.9% who are over 80.