In Croatia, Bigač families are Croats (from Bjelovar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar area and in Grubisno Polje area.
Prevalence
About 10 people with faimily name Bigač live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in two Croatian cities only, in Bjelovar (<10) and Zagreb (<10).