Radunić families are Croats and they are mostly from Bjelovar area. In the past century, relatively most of Croatian residents bearing this family name were born in Split and in Bjelovar area.
Prevalence
About 70 people with faimily name Radunić live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number increased by 40 percent. They are located and 5 other Croatian places, mostly in Kastel Stari (30), Split (15), Kastel Novi (15), Maglenca in Bjelovar area (<10), and in Kastel Stafilic (<10).
Outside Croatia
Family name Radunić (including: Radunic , Radunich ) is present in 6 countries on two continents. "Radunich " 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.