The age distribution, , in Stüsslingen is; 61 children or 6.5% of the population are between 0 and 6 years old and 204 teenagers or 21.6% are between 7 and 19. Of the adult population, 50 people or 5.3% of the population are between 20 and 24 years old. 256 people or 27.1% are between 25 and 44, and 270 people or 28.6% are between 45 and 64. The senior population distribution is 80 people or 8.5% of the population are between 65 and 79 years old and there are 24 people or 2.5% who are over 80.