Šumak families are Croats and they are mostly from Oroslavje area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Slovenia.
Prevalence
About 80 people with faimily name Šumak live in Croatia today, in 40 households. There were 160 of them in the middle of the past century, and their number halved. They are located in four Croatian counties, four cities and 16 other places, mostly in Zlatar-Bistrica in Oroslavje area (25), Zagreb (20), Grtovec in Zlatar area (<10), Harina Zlaka in Klanjec area (<10), and in Velika Horvatska in Pregrada area (<5).
