Rastko is a male name, in Croatia largely Croatian, but also Serbian. It is one of the relatively rare names in Croatia, with about forty namesakes living there.
The relative popularity of names Rastko in Croatia
The name Rastko was the most popular from years 1933 to 1946, when about 26% of the persons bearing this name were born. The peak year was 1938.
Prevalence
Name Rastko is relatively more common in the north of the country. Most of the persons named Rastko live in the following cities and municipalities: Zagreb (less than ten), Osijek (less than ten), Bjelovar (less than ten).
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.