Rajkovača families are Croats and they are mostly from middle Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Tesanj area) and in Doboj, Bosnia (Doboj area). In Sivša in Middle Bosnia every tenth inhabitant had the family name Rajkovača.
Prevalence
About 150 people with faimily name Rajkovača live in Croatia today, in 60 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in the most of Croatian counties, in 13 cities and 19 other places, mostly in Zagreb (30), Rijeka (15), Donja Vrba in Slavonski Brod area (15), Novo Cice (10), and in Sesvete (<10).
Outside Croatia
Family name Rajkovača is present in five countries.
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.