The age distribution, , in Elfingen is; 24 children or 9.1% of the population are between 0 and 9 years old and 23 teenagers or 8.7% are between 10 and 19. Of the adult population, 30 people or 11.3% of the population are between 20 and 29 years old. 31 people or 11.7% are between 30 and 39, 60 people or 22.6% are between 40 and 49, and 40 people or 15.1% are between 50 and 59. The senior population distribution is 28 people or 10.6% of the population are between 60 and 69 years old, 6 people or 2.3% are between 70 and 79, there are 17 people or 6.4% who are between 80 and 89,and there are 6 people or 2.3% who are 90 and older.