Rokov families are Croats and they are mostly from Kastel Sucurac. According to some sources they are from Kastel Gomilice. In the past century, relatively most of Croatian residents bearing this family name were born in Split and Zadar. In Kaštel Gomilica in Kastel Sucurac every sixth inhabitant had the family name Rokov.
Prevalence
About 120 people with faimily name Rokov live in Croatia today, in 60 households. There were 120 of them in the middle of the past century, and their number remains constant. They are located in 6 Croatian counties, in 11 cities and four other places, mostly in Kastel Gomilica (55), Zadar (20), Kastel Sucurac (15), Mali Iz (<10), and in Zagreb (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.