Rudec families are Croats and they are mostly from Lepoglava. In the past century, relatively most of Croatian residents bearing this family name were born in Lepoglava and Osijek.
Prevalence
About 90 people with faimily name Rudec live in Croatia today, in 40 households. There were 70 of them in the middle of the past century, and their number increased by 30 percent. They are located in 9 Croatian counties, in 10 cities and 5 other places, mostly in Lepoglava (20), Virovitica (15), Zagreb (10), Osijek (10), and in Slavonski Brod (<10).
Outside Croatia
Family name Rudec is present in 20 countries worldwide. "Rudez " is used by some 100 people in Argentina , about 90 in the United States , and small number of people in Australia.
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.