Krušec families are Croats and they are mostly from Ludbreg area. In the past century, relatively most of Croatian residents bearing this family name were born in Ludbreg area and in Zagreb. In Slanje in Ludbreg area every eighth inhabitant had the family name Krušec.
Prevalence
About 220 people with faimily name Krušec live in Croatia today, in 90 households. There were 230 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 19 cities and 21 other places, mostly in Ludbreg (40), Koprivnica (40), Zagreb (35), Samobor (10), and in Donji Miholjac (10).
Outside Croatia
At least three families with this surname emigrated from Croatia to the United States (2) and Austria (1). Family name Krušec (including: Krusec , Kruszec and Krushec ) is present in 8 countries on three continents. The family name "Krusec " is used by some 50 people in the United States , small number in Australia , and small number of people in Germany.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.