Ivanek families are Croats and they are mostly from Zabok. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Zabok. In Čurilovec in Varazdinske Toplice every fifth inhabitant had the family name Ivanek.
Prevalence
About 210 people with faimily name Ivanek live in Croatia today, in 90 households. There were 270 of them in the middle of the past century, and their number decreased by 20 percent. They are located in the most of Croatian counties, in 17 cities and 18 other places, mostly in Zagreb (50), Hum Zabocki (30), Curilovec (25), Pesek (10), and in Varazdin (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.