In Croatia, Bogadek families are generally Croats (from Varazdin area ), very rarely Slovenes (from Rijeka ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin area and in Varazdin. In Petrijanec in Varazdin area every seventieth inhabitant had the family name Bogadek.
Prevalence
About 20 people with faimily name Bogadek live in Croatia today, in 7 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only five naselja i to in Petrijanec in Varazdin area (10), Rijeka (<10), Zagreb (<5), Sracinec in Varazdin area (<5), and in Selci Krizovljanski in Ivanec area (<5).
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Bogadek is present in three countries on three continents. The family name "Bogadek " is used by small number of people in the United States.