Jerkunica families are Croats and they are mostly from Kastel Sucurac. In the past century, relatively most of Croatian residents bearing this family name were born in Split and Kastel Sucurac.
Prevalence
About 90 people with faimily name Jerkunica live in Croatia today, in 50 households. There were 110 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 6 Croatian counties, in 10 cities and threee other places, mostly in Kastel Sucurac (60), Split (25), Kastel Gomilica (<10), Zagreb (<5), and in Kastel Stari (<5) and Karlovac (<5).
Outside Croatia
Family name Jerkunica is present in four countries on two continents. The family name "Jerkunica " 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 five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.