Starjački families are Croats and they are mostly from Zapresic. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Zapresic.
Prevalence
About 130 people with faimily name Starjački live in Croatia today, in 60 households. There were 120 of them in the middle of the past century, and their number increased by 10 percent. They are located in 8 Croatian counties, in 9 cities and 19 other places, mostly in Zagreb (30), Sesvete (15), Graberje Ivanicko (10), Kasina (<10), and in Kupljenovo (<10).
Outside Croatia
Family name Starjački is present in two countries.
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.