 Over the last 10 years the population has grown at a rate of 3.5%.Most of the population () speaks German (92.7%), with Serbo-Croatian being second most common ( 1.1%) and Italian being third ( 1.0%).The age distribution, , in Wohlenschwil is; 138 children or 10.2% of the population are between 0 and 9 years old and 194 teenagers or 14.4% are between 10 and 19.