In Croatia, Dvorščak families are almost entirely Croats (from Cakovec area ), very rarely Slovenes (also from Cakovec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and Zagreb.
Prevalence
About 60 people with faimily name Dvorščak live in Croatia today, in 30 households. There were 110 of them in the middle of the past century, and their number halved. They are located in 8 Croatian counties, in 7 cities and 7 other places, mostly in Zagreb (20), Varazdin (20), Sracinec in Varazdin area (<10), and in Gardinovec (<10) and Gorican (<5) in Cakovec area.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.