In Croatia, Rumstein families are generally Croats (from Donji Miholjac area ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Donji Miholjac area and in Virovitica.
Prevalence
About 10 people with faimily name Rumstein live in Croatia today, in three households only. They are located in four Croatian counties, threee cities and another small place , mostly in Cepin in Osijek area (<10), Vukovar (<5), Slatina (<5), and in Daruvar (<5).
Outside Croatia
Family name Rumstein is present in five countries on three continents. The family name "Rumstein " is used by small number of people in the United States.
