 This represents a population growth rate of -1.0%.The age distribution, , in Cevio is; 94 children or 7.7% of the population are between 0 and 9 years old and 127 teenagers or 10.4% are between 10 and 19.Of the adult population, 126 people or 10.3% of the population are between 20 and 29 years old.