 Over the last 10 years the population has grown at a rate of 20.6%.Most of the population () speaks German (93.8%), with Italian being second most common ( 1.4%) and Albanian being third ( 0.9%).The age distribution, , in Remetschwil is; 226 children or 11.5% of the population are between 0 and 9 years old and 266 teenagers or 13.6% are between 10 and 19.