The age distribution, , in Rorschach is; 885 children or 10.2% of the population are between 0 and 9 years old and 991 teenagers or 11.5% are between 10 and 19. Of the adult population, 1,224 people or 14.2% of the population are between 20 and 29 years old. 1,351 people or 15.6% are between 30 and 39, 1,190 people or 13.8% are between 40 and 49, and 1,013 people or 11.7% are between 50 and 59. The senior population distribution is 786 people or 9.1% of the population are between 60 and 69 years old, 751 people or 8.7% are between 70 and 79, there are 402 people or 4.6% who are between 80 and 89, and there are 54 people or 0.6% who are between 90 and 99.Canton St. Gallen Statistics-Hauptergebnisse der Volkszählung 2000: Regionen- und Gemeindevergleich-Personen accessed 30 December 2009
