In Croatia, Runjaić families are mainly Serbs, less frequently Croats (from Vinkovci area ), and barely Montenegrins (from Sisak ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and in Hrvatska Kostajnica area. In Vukoševac in Hrvatska Kostajnica area every fourth inhabitant had the family name Runjaić.
Prevalence
About 50 people with faimily name Runjaić live in Croatia today, in 30 households. There were 100 of them in the middle of the past century, and their number halved. They are only located in in 6 Croatian cities and 8 other places, mostly in Petrinja (10), Sisak (<10), Zagreb (<10), Hrvatska Kostajnica (<10), and in Ceric in Vinkovci area (<10).
Outside Croatia
At least two families with this surname emigrated from Croatia to the United States (1) and Switzerland (1). Family name Runjaić is present in four countries on two continents. The family name "Runjaic " is used by some 60 people in the United States.
