Ilka is a female name, in Croatia exclusively Croatian. It is one of the relatively common names (among the top two thousand) in Croatia, with over two hundred namesakes living there.
The relative popularity of names Ilka in Croatia
The name Ilka was the most popular from years 1921 to 1926, when about 26% of the persons bearing this name were born. The peak year was 1924. It was the least popular from years 1947 to 1958.
Name Ilka is present mainly in North-West Croatia, and scarcely in Central Croatia. Most of the persons named Ilka live in the following cities and municipalities: Zagreb (about thirty), Split (less than twenty), Dubrovnik (less than ten).