Ikač families are mainly Croats and they are mostly from Bosnian Posavina , also Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Benkovac and in Bosanian Posavina (Modrica area). In Kolarina in Benkovac every fourth inhabitant had the family name Ikač.
Prevalence
About 100 people with faimily name Ikač live in Croatia today, in 50 households. There were 100 of them in the middle of the past century, and their number remains constant. They are located in 9 Croatian counties, in 16 cities and 9 other places, mostly in Zadar (25), Osijek (15), Kolarina (15), Split (<10), and in Valpovo (<10).
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.