Bičak families are Croats and they are mostly from Sveti Ivan Zelina area. In the past century, relatively most of Croatian residents bearing this family name were born in Sveti Ivan Zelina area and in Zagreb. In Bedenica in Sveti Ivan Zelina area every fifth inhabitant had the family name Bičak.
Prevalence
About 270 people with faimily name Bičak live in Croatia today, in 110 households. There were 250 of them in the middle of the past century, and their number increased by 0 percent. They are located in the most of Croatian counties, in 16 cities and 30 other places, mostly in Bedenica in Sveti Ivan Zelina area (90), Sveti Ivan Zelina (35), Zagreb (30), Daruvar (15), and in Karlovac (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.