Resanović families are mainly Serbs and they are mostly from Hrvatska Kostajnica area , whereas often Croats (from Slavonski Brod ). In the past century, relatively most of Croatian residents bearing this family name were born in Hrvatska Kostajnica area and in Glina.
Prevalence
About 250 people with faimily name Resanović live in Croatia today, in 120 households. There were 500 of them in the middle of the past century, and their number halved. They are located in the most of Croatian counties, in 23 cities and 36 other places, mostly in Grmusani (35) and Zakopa (35) in Hrvatska Kostajnica area, Zagreb (30), Slavonski Brod (20), and in Dvor in Hrvatska Kostajnica area (20).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.