Janušić families are Croats and they are mostly from Cakovec area. In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec and Zagreb.
Prevalence
About 380 people with faimily name Janušić live in Croatia today, in 150 households. There were 420 of them in the middle of the past century, and their number decreased by 10 percent. They are located in the most of Croatian counties, in 22 cities and 49 other places, mostly in Zagreb (75), Belica in Cakovec area (50), Varazdinske Toplice (35), Cakovec (30), and in Dragoslavec in Cakovec area (20).
Outside Croatia
At least four families with this surname emigrated from Croatia to Australia (3) and the United States (1). Family name Janušić (including: Janusic , Janusick ) is present in five countries on two continents. "Janusick " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.