In Croatia, Čupković families are predominantly Serbs, rarely Croats (from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Knin area and in Knin.
Prevalence
About 50 people with faimily name Čupković live in Croatia today, in 30 households. There were 80 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 7 Croatian counties, in 7 cities and threee other places, mostly in Knin (10), Rijeka (<10), Dubrovnik (<5), Tribunj (<5), and in Prapatnice (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.