 This represents a population growth rate of 1.3%.The age distribution, , in Gelterkinden is; 351 children or 6.1% of the population are between 0 and 6 years old and 865 teenagers or 15.1% are between 7 and 19.Of the adult population, 772 people or 13.5% of the population are between 20 and 29 years old.