In Croatia, Polaček families are generally Croats (from Novska area ), very rarely Czechs (from Bjelovar ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar and Zagreb.
Prevalence
About 50 people with faimily name Polaček live in Croatia today, in 20 households. There were 60 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 7 Croatian counties, in 10 cities and 5 other places, mostly in Zagreb (15), Bjelovar (15), Slavonski Brod (<5), Lipovljani in Novska area (<5), and in Zdralovi (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.