Židak families are Croats and they are mostly from Sveti Ivan Zelina. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Sveti Ivan Zelina.
Prevalence
About 120 people with faimily name Židak live in Croatia today, in 40 households. There were 180 of them in the middle of the past century, and their number decreased by 30 percent. They are only located in in 7 Croatian cities and 19 other places, mostly in Sesvete (20), Zagreb (15), Nespes (<10), Blaskovec (<10), and in Desno Trebarjevo in Sisak area (<10).