Jergović families are Croats and they are mostly from Otocac. In the past century, relatively most of Croatian residents bearing this family name were born in Otocac and Zagreb. In Ramljani in Otocac every ninth inhabitant had the family name Jergović.
About 570 people with faimily name Jergović live in Croatia today, in 250 households. There were 660 of them in the middle of the past century, and their number decreased by 10 percent. They are located in the most of Croatian counties, in 38 cities and 54 other places, mostly in Zagreb (145), Otocac (50), Ivankovo in Vinkovci area (25), Ramljani (20), and in Sisak (20).