 Over the last 10 years the population has grown at a rate of 4.7%.Most of the population () speaks German (98.2%), with Romanian being second most common ( 0.4%) and French being third ( 0.3%).Of the Swiss national languages (), 694 speak German, 2 people speak French, 2 people speak Italian,

The age distribution, , in Rieden is; 108 children or 15.3% of the population are between 0 and 9 years old and 90 teenagers or 12.7% are between 10 and 19.