The age distribution, , in Tegna is; 68 children or 9.2% of the population are between 0 and 9 years old and 81 teenagers or 10.9% are between 10 and 19. Of the adult population, 71 people or 9.6% of the population are between 20 and 29 years old. 92 people or 12.4% are between 30 and 39, 139 people or 18.7% are between 40 and 49, and 105 people or 14.1% are between 50 and 59. The senior population distribution is 100 people or 13.5% of the population are between 60 and 69 years old, 56 people or 7.5% are between 70 and 79, there are 31 people or 4.2% who are over 80.