 Over the last 10 years the population has grown at a rate of 15.9%.Most of the population () speaks German (87.9%), with Italian being second most common ( 3.4%) and Serbo-Croatian being third ( 2.4%).The age distribution, , in Rohr is; 339 children or 10.4% of the population are between 0 and 9 years old and 299 teenagers or 9.2% are between 10 and 19.