In Croatia, Marcaš families are Croats by relative majority, equally Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin area.
Only a few people with faimily name Marcaš live in Croatia today, in one household only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in only one small Croatian place, in Bartolovec in Varazdin area (<5).