In Croatia, Bocko families are Croats (from Ludbreg area ). In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica and in Koprivnica area.
Prevalence
About 10 people with faimily name Bocko live in Croatia today, in three households only. There were 20 of them in the middle of the past century, and their number halved. They are located in only two naselja i to in Kapela Podravska in Ludbreg area (<10) and Selnica Podravska in Koprivnica area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.