Potlaček families are Croats and they are mostly from Novi Marof area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Novi Marof area. In Podvorec in Novi Marof area every fourth inhabitant had the family name Potlaček.
Prevalence
About 70 people with faimily name Potlaček live in Croatia today, in 30 households. There were 130 of them in the middle of the past century, and their number halved. They are located in 6 Croatian counties, four cities and 13 other places, mostly in Zagreb (35), Krizevci (<10), Gornja Toplicica (<10), Podvorec in Novi Marof area (<10), and in Sesvete (<5).
Outside Croatia
Family name Potlaček is present in this form only in Croatia.
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.