Bračko families are mainly Croats and they are mostly from Lepoglava area , barely Slovenes. In the past century, relatively most of Croatian residents bearing this family name were born in Lepoglava area and in Varazdin. In Vrbno in Lepoglava area every eighth inhabitant had the family name Bračko.
Prevalence
About 290 people with faimily name Bračko live in Croatia today, in 120 households. There were 250 of them in the middle of the past century, and their number increased by 10 percent. They are located in the most of Croatian counties, in 24 cities and 31 other places, mostly in Koprivnica (35), Lepoglava (30), Zagreb (25), Varazdin (20), and in Struga in Ludbreg area (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.