Milešević families are predominantly Serbs and they are mostly from Bosnian Posavina , less frequently Croats. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Bosanski Novi area) and in Doboj, Bosnia (Doboj area). In Mala Novska Rujiška in Bosanian Posavina every tenth inhabitant had the family name Milešević.
Prevalence
About 80 people with faimily name Milešević live in Croatia today, in 40 households. There were 70 of them in the middle of the past century, and their number increased by 30 percent. They are located in 9 Croatian counties, in 14 cities and 12 other places, mostly in Zagreb (30), Bjelkovac in Slatina area (<10), Sisak (<10), Rijeka (<10), and in Jagodnjak in Beli Manastir area (<10).