In Croatia, Badanjek families are almost entirely Croats (from Djurdjevac area ), barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Djurdjevac area and in Virovitica.
Prevalence
About 50 people with faimily name Badanjek live in Croatia today, in 20 households. There were 110 of them in the middle of the past century, and their number halved. They are located in 10 Croatian counties, in 10 cities and 7 other places, mostly in Kladare in Djurdjevac area (10), Blinjski Kut (<10), Vukovar (<10), Virovitica (<10), and in Osijek (<5).
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Badanjek is present in three countries on three continents. The family name "Badanjek " is used by small number of people in the United States and small number in Australia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1935 in source Emigration Commission Zagreb.