Dvorneković families are Croats and they are mostly from Petrinja area. In the past century, relatively most of Croatian residents bearing this family name were born in Velika Gorica and Glina. In Brkiševina in Petrinja area every tenth inhabitant had the family name Dvorneković.
Prevalence
About 110 people with faimily name Dvorneković live in Croatia today, in 50 households. There were 140 of them in the middle of the past century, and their number decreased by 30 percent. They are located in threee Croatian counties and 12 other places, mostly in Velika Gorica (25), Okuje (25), Petrinja (10), Zagreb (<10), and in Prekopa (<10).
Outside Croatia
At least two families with this surname emigrated from Croatia to Germany (1) and the United States (1). Family name Dvorneković is present in this form only in Croatia.
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.