Juranko families are Croats and they are mostly from Varazdin. In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and Samobor. In Srebrnjak in Samobor area every fifth inhabitant had the family name Juranko.
Prevalence
About 110 people with faimily name Juranko live in Croatia today, in 50 households. There were 60 of them in the middle of the past century, and their number increased by 70 percent. They are located in four Croatian counties, in 9 cities and 10 other places, mostly in Varazdin (50), Srebrnjak in Samobor area (15), Samobor (10), Cakovec (<10), and in Zagreb (<5).
Outside Croatia
Family name Juranko is present in 7 countries on two continents. The family name "Juranko " is used by small number of people in the United States. "Yuranko " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.