In Croatia, Šumera families are almost entirely Croats (from Sibenik ), barely Romanians. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Zagreb.
Prevalence
About 50 people with faimily name Šumera live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number decreased by 10 percent. They are located in four Croatian counties, four cities and four other places, mostly in Zagreb (15), Brodarica (10), Sibenik (<10), Zaboric (<10), and in Dubrovnik (<5).