Čačko families are Croats and they are mostly from Novi Marof area. In the past century, relatively most of Croatian residents bearing this family name were born in Novi Marof area and in Varazdin.
Prevalence
About 100 people with faimily name Čačko live in Croatia today, in 50 households. There were 30 of them in the middle of the past century, and their number more than tripled. They are located in 8 Croatian counties, in 10 cities and 16 other places, mostly in Zagreb (30), Vrbovo in Novi Marof area (20), Dugo Selo (<10), Zapresic (<10), and in Dubrava Zabocka (<10).