In Croatia, Šumbera families are generally Croats (from Bjelovar ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar.
Prevalence
About 10 people with faimily name Šumbera live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only threee naselja i to in Bjelovar (<10), Prokljuvani (<10), and in Klokocevac (<5).