Rkman families are often Serbs and they are mostly from Glina area , less frequently Croats. In the past century, relatively most of Croatian residents bearing this family name were born in Glina area and in Vukovar.
Prevalence
About 80 people with faimily name Rkman live in Croatia today, in 40 households. There were 140 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 10 Croatian counties, in 8 cities and 17 other places, mostly in Vukovar (25), Zagreb (<10), in Pecka (<10) and Donja Cemernica (<10) in Glina area, and in Karlovac (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1926 in source Emigration Commission Zagreb.