In Croatia, Kulovac families are mainly Croats (from North Herzegovina ), less frequently Bosniaks (from Podrinje (Bosnia) ). In the past century, relatively most of Croatian residents bearing this family name were born in North Herzegovina (Konjic area) and in Podrinje, Bosnia (Rogatica area). In Žepa in Podrinje (Bosnia) every third inhabitant had the family name Kulovac.
Prevalence
About 10 people with faimily name Kulovac live in Croatia today, in four households only. They are located in only four Croatian places: in Mokosica (<10), Osijek (<5), Brijesce (<5), and in Livana in Osijek area (<5).
Outside Croatia
Family name Kulovac is present in 9 countries on three continents. The family name "Kulovac " is used by small number of people in Turkey , small number in the United States , and small number of people in Australia. "Kullowatz " is used by small number of people in Germany and small number in the United States.