Pepelko families are Croats and they are mostly from Ludbreg area. In the past century, relatively most of Croatian residents bearing this family name were born in Krizevci and Varazdin. In Martinić in Ludbreg area every tenth inhabitant had the family name Pepelko.
Prevalence
About 150 people with faimily name Pepelko live in Croatia today, in 60 households. There were 190 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 8 Croatian counties, in 13 cities and 20 other places, mostly in Zagreb (20), Jalzabet in Ludbreg area (15), Sveta Helena (10), Martinic in Ludbreg area (10), and in Bartolovec in Varazdin area (<10).
Outside Croatia
Family name Pepelko is present in 9 countries on three continents. The family name "Pepelko " is used by small number of people in Russian Federation and 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 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.