The age distribution, , in Hägglingen is; 229 children or 10.5% of the population are between 0 and 9 years old and 264 teenagers or 12.1% are between 10 and 19. Of the adult population, 242 people or 11.1% of the population are between 20 and 29 years old. 330 people or 15.1% are between 30 and 39, 398 people or 18.2% are between 40 and 49, and 289 people or 13.3% are between 50 and 59. The senior population distribution is 202 people or 9.3% of the population are between 60 and 69 years old, 143 people or 6.6% are between 70 and 79, there are 72 people or 3.3% who are between 80 and 89,and there are 12 people or 0.6% who are 90 and older.