 This represents a population growth rate of 0.5%.The age distribution, , in Biel-Benken is; 230 children or 7.4% of the population are between 0 and 6 years old and 463 teenagers or 14.8% are between 7 and 19.Of the adult population, 270 people or 8.6% of the population are between 20 and 29 years old.