 This represents a population growth rate of 6.4%.The age distribution, , in Rümlingen is; 29 children or 7.8% of the population are between 0 and 6 years old and 46 teenagers or 12.4% are between 7 and 19.Of the adult population, 41 people or 11.1% of the population are between 20 and 29 years old.