Rohaček families are Croats and they are mostly from Zupanja area. In the past century, relatively most of Croatian residents bearing this family name were born in Zupanja area and in Vinkovci area.
Prevalence
About 90 people with faimily name Rohaček live in Croatia today, in 40 households. There were 50 of them in the middle of the past century, and their number increased by 80 percent. They are located in the most of Croatian counties, in 12 cities and 10 other places, mostly in Ivankovo in Vinkovci area (30), Cerna in Zupanja area (20), Osijek (<10), Zagreb (<10), and in Zasadbreg in Cakovec area (<10).
Outside Croatia
Family name Rohaček (including: Rohacek , Rohácek ) is present in five countries on two continents. The family name "Rohacek " is used by some 100 people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.