, the gender distribution of the population was 45.4% male and 54.6% female. The age distribution, , in St. Moritz is; 423 children or 7.6% of the population are between 0 and 9 years old and 502 teenagers or 9.0% are between 10 and 19. Of the adult population, 960 people or 17.2% of the population are between 20 and 29 years old. 1,055 people or 18.9% are between 30 and 39, 864 people or 15.5% are between 40 and 49, and 820 people or 14.7% are between 50 and 59. The senior population distribution is 532 people or 9.5% of the population are between 60 and 69 years old, 289 people or 5.2% are between 70 and 79, there are 121 people or 2.2% who are between 80 and 89, and there are 23 people or 0.4% who are 90 and older.