Bosiljevac families are Croats and they are mostly from Duga Resa area. In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and in Duga Resa area. In Podvožić in Duga Resa area every second inhabitant had the family name Bosiljevac.
About 290 people with faimily name Bosiljevac live in Croatia today, in 120 households. There were 360 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 7 Croatian counties, in 11 cities and 17 other places, mostly in Duga Resa (90), Podvozic in Duga Resa area (90), Karlovac (60), Zagreb (20), and in Netretic in Duga Resa area (10).