Rohtek families are Croats and they are mostly from Ivanec. In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and Ivanec.
Prevalence
About 80 people with faimily name Rohtek live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number increased by 50 percent. They are located in 9 Croatian counties, in 8 cities and 13 other places, mostly in Skriljevec (15), Varazdin (10), Zagreb (10), Zavrsje Podbelsko (<10), and in Staznjevec (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1679 in source Catholic Church Parish Records.