In Croatia, Ivaniček families are Croats (from Dugo Selo area ). In the past century, relatively most of Croatian residents bearing this family name were born in Dugo Selo area and in Zagreb.
Prevalence
About 30 people with faimily name Ivaniček live in Croatia today, in 10 households. There were 30 of them in the middle of the past century, and their number remains constant. They are located in only threee naselja i to in Dugo Selo (20), Zagreb (<10), and in Lupoglav in Dugo Selo area (<10).
Outside Croatia
At least two families with this surname emigrated from Croatia to the United States. Family name Ivaniček (including: Ivanichek , Ivanicek ) is present in 7 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.