Ciboci families are Croats and they are mostly from Krizevci. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Krizevci. In Špiranec in Krizevci every tenth inhabitant had the family name Ciboci.
Prevalence
About 80 people with faimily name Ciboci live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number increased by 70 percent. They are located in 10 Croatian counties, in 10 cities and 13 other places, mostly in Zagreb (25), Nasice (10), Sesvete (<10), Buzin (<10), and in Spiranec (<10).
Outside Croatia
Family name Ciboci (including: Cibocchi , Chibozhi and Chibozi ) is present in 8 countries on three continents. The family name "Ciboci " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.