In Croatia, Mihalac families are Croats (from Prelog area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Prelog area.
Prevalence
About 30 people with faimily name Mihalac live in Croatia today, in 11 households. There were 10 of them in the middle of the past century, and their number tripled. They are located in two Croatian counties, two cities and four other places, mostly in Zagreb (10), Sveta Marija in Prelog area (<10), Sesvete (<5), Donji Mihaljevec in Prelog area (<5), and in Pribislavec (<5).
Outside Croatia
Family name Mihalac is present in five countries on three continents. The family name "Mihalac " is used by few people in the United States. "Michalac " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.