 Over the last 10 years the population has grown at a rate of 8.2%.Most of the population () speaks German (89.4%), with Italian being second most common (2.5%) and Albanian being third ( 2.1%).The age distribution, , in Küttigen is; 532 children or 9.8% of the population are between 0 and 9 years old and 600 teenagers or 11.1% are between 10 and 19.