In Croatia, Ratkovčić families are Croats (from Djakovo area ). In the past century, relatively most of Croatian residents bearing this family name were born in Djakovo area and in Osijek.
Prevalence
About 50 people with faimily name Ratkovčić live in Croatia today, in 20 households. There were 70 of them in the middle of the past century, and their number decreased by 30 percent. They are located in four Croatian counties, in 7 cities and threee other places, mostly in Osijek (15), Trnava in Djakovo area (15), Zagreb (<10), Djakovo (<10), and in Viskovci in Djakovo area (<10).
Outside Croatia
Family name Ratkovčić is present in four countries on three continents. The family name "Ratkovcic " is used by small number of people in the United States and small number in Australia.