In Croatia, Plantek families are almost entirely Croats (from Garesnica area ), barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Garesnica area and in Garesnica.
Prevalence
About 40 people with faimily name Plantek live in Croatia today, in 15 households. There were 40 of them in the middle of the past century, and their number remains constant. They are located in 6 Croatian counties and 10 other places, mostly in Gornja Ploscica (<10) and Nova Ploscica (<10) in Garesnica area, Zagreb (<10), Mlinski Vinogradi in Garesnica area (<5), and in Bilje in Osijek area (<5).
Outside Croatia
Family name Plantek is present in 15 countries worldwide. The family name "Plantek " is used by small number of people in Hungary and small number 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.