In Croatia, Mađeruh families are generally Croats (from Grubisno Polje ), very rarely Czechs (also from Grubisno Polje ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Grubisno Polje and in Jastrebarsko area.
Prevalence
About 40 people with faimily name Mađeruh live in Croatia today, in 14 households. They are located in 6 Croatian counties, in 6 cities and four other places, mostly in Veliki Zdenci (<10), Zagreb (<10), Mali Zdenci (<10), Rijeka (<5), and in Karlovac (<5).
Outside Croatia
At least two families with this surname emigrated from Croatia to Canada (1) and the United States (1). Family name Mađeruh (including: Madjeruh , Maderuh and Magjeruh ) is present in four countries on two continents.