Rudnički families are Croats and they are mostly from Ivanec. In the past century, relatively most of Croatian residents bearing this family name were born in Ivanec and Varazdin.
Prevalence
About 150 people with faimily name Rudnički live in Croatia today, in 70 households. There were 160 of them in the middle of the past century, and their number decreased by 0 percent. They are located in the most of Croatian counties, in 13 cities and 22 other places, mostly in Varazdin (20), Jerovec (15), Kutina (10), Visnjevac (10), and in Ivanec (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1926 in source Emigration Commission Zagreb.