Plenković families are Croats and they are mostly from the Island of Hvar. In the past century, relatively most of Croatian residents bearing this family name were born in Split and on the Island of Hvar. In places Svirče and Sveta Nedjelja on the Island of Hvar every sixth inhabitant had the family name Plenković.
Prevalence
About 230 people with faimily name Plenković live in Croatia today, in 100 households. There were 140 of them in the middle of the past century, and their number increased by 60 percent. They are located in 8 Croatian counties, in 9 cities and 12 other places, mostly in Split (45), in Svirce (40), Stari Grad (30) and Sveta Nedjelja (30) on the Island of Hvar, and in Zagreb (25).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1923 in source Emigration Commission Zagreb.