In Croatia, Jerleković families are Croats (from Velika Gorica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Velika Gorica and Zagreb.
Prevalence
About 80 people with faimily name Jerleković live in Croatia today, in 20 households. There were 40 of them in the middle of the past century, and their number doubled. They are located in threee Croatian counties, threee cities and 5 other places, mostly in Velika Gorica (25), Kozjaca (15), Kravarsko in Velika Gorica area (10), Duzica in Petrinja area (10), and in Zagreb (<5).
Outside Croatia
Family name Jerleković is present in this form only in Croatia.