Rajnović families are frequently Croats and they are mostly from Virovitica area , less frequently Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Virovitica area and in Virovitica. In Rušani in Virovitica area every sixth inhabitant had the family name Rajnović.
Prevalence
About 470 people with faimily name Rajnović live in Croatia today, in 200 households. There were 560 of them in the middle of the past century, and their number decreased by 20 percent. They are located in the most of Croatian counties, in 25 cities and 44 other places, mostly in Rusani in Virovitica area (90), Rijeka (65), Virovitica (60), Zagreb (45), and in Slatina (15).