 The age distribution, , in Benken is; 318 children or 14.3% of the population are between 0 and 9 years old and 391 teenagers or 17.5% are between 10 and 19.Of the adult population, 244 people or 11.0% of the population are between 20 and 29 years old.367 people or 16.5% are between 30 and 39, 325 people or 14.6% are between 40 and 49, and 240 people or 10.8% are between 50 and 59.