Čičko families are Croats and they are mostly from Oroslavje. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Oroslavje. In Mokrice in Oroslavje every ninth inhabitant had the family name Čičko.
Prevalence
About 210 people with faimily name Čičko live in Croatia today, in 80 households. There were 210 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, in 9 cities and 13 other places, mostly in Zagreb (60), Mokrice (55), Oroslavje (20), Zapresic (10), and in Gornji Laduc in Zapresic area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1943 in source Directorium ARCHI-DIOECESI ZAGREBIENSI.