In the aftermath of the First World War there were a lot of migrations. One of them was the evacuation of civilian population into the depths of Russia. The aim of the publication is a demographic and statistical analysis of households of the western counties of the Grodno Governorate evacuated to the Tomsk Governorate in the summer of 1915. The source basis is the list of the evacuated people printed in Tomsk in 1916. The text presents the changes in the demographic structure of the analysed households and the demographic and ethnic consequences of the First World War for the community of the Grodno Governorate.