Mudnić families are Croats and they are mostly from Sinj area. In the past century, relatively most of Croatian residents bearing this family name were born in Split and in Sinj area.
Prevalence
About 100 people with faimily name Mudnić live in Croatia today, in 40 households. There were 70 of them in the middle of the past century, and their number increased by 50 percent. They are located in 6 Croatian counties, in 9 cities and 7 other places, mostly in Split (35), Ugljane in Sinj area (25), Zagreb (10), Solin (<10), and in Ceric in Vinkovci area (<10).
Outside Croatia
Family name Mudnić (including: Mudnic , Mudnich ) is present in 6 countries on three continents. "Mudnich " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.