In Croatia, Joć families are Croats (from Zlatar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zlatar area and in Zagreb.
Prevalence
About 30 people with faimily name Joć live in Croatia today, in 14 households. There were 40 of them in the middle of the past century, and their number decreased by 30 percent. They are located in only five Croatian places: in Laz Bistricki in Zlatar area (25), Slatina (<5), Zagreb (<5), Klostar Ivanic in Ivanic-Grad area (<5), and in Grabic in Slatina area (<5).