Puljko families are Croats and they are mostly from Krapina. In the past century, relatively most of Croatian residents bearing this family name were born in Krapina and Zagreb. In Lazi Krapinski in Krapina every fourth inhabitant had the family name Puljko.
Prevalence
About 190 people with faimily name Puljko live in Croatia today, in 80 households. There were 160 of them in the middle of the past century, and their number increased by 10 percent. They are located in the most of Croatian counties, in 11 cities and 19 other places, mostly in Zagreb (55), Dolice (20), Podgora Krapinska (15), Radoboj in Krapina area (15), and in Strahinje (10).
Outside Croatia
Family name Puljko is present in five countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.