, the gender distribution of the population was 50.4% male and 49.6% female. The age distribution, , in Rossa is; 5 children or 3.8% of the population are between 0 and 9 years old. 6 teenagers or 4.5% are 10 to 14, and 2 teenagers or 1.5% are 15 to 19. Of the adult population, 11 people or 8.3% of the population are between 20 and 29 years old. 9 people or 6.8% are 30 to 39, 23 people or 17.4% are 40 to 49, and 19 people or 14.4% are 50 to 59. The senior population distribution is 17 people or 12.9% of the population are between 60 and 69 years old, 22 people or 16.7% are 70 to 79, there are 14 people or 10.6% who are 80 to 89, and there are 4 people or 3.0% who are 90 to 99.