Karanušić families are Croats and they are mostly from Trogir area. In the past century, relatively most of Croatian residents bearing this family name were born in Split and Trogir.
Prevalence
About 120 people with faimily name Karanušić live in Croatia today, in 50 households. There were 70 of them in the middle of the past century, and their number increased by 60 percent. They are located in threee Croatian counties, in 6 cities and 8 other places, mostly in Split (50), Zagreb (20), Plano (15), Kastel Stari (<10), and in Labin in Trogir area (<10).
Outside Croatia
Family name Karanušić is present in two countries on two continents. The family name "Karanusic " is used by few people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.