Ivanušec families are Croats and they are mostly from Varazdin area. In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin area and in Varazdin.
Prevalence
About 220 people with faimily name Ivanušec live in Croatia today, in 90 households. There were 210 of them in the middle of the past century, and their number remains constant. They are located in 10 Croatian counties, in 18 cities and 20 other places, mostly in Ljubescica in Varazdin area (100), Beljevina in Nasice area (10), Rakovec in Varazdin area (10), Zagreb (10), and in Bjelovar (<10).
Outside Croatia
Family name Ivanušec is present in this form only in Croatia.
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.