In Croatia, Loinjak families are Croats (from Lepoglava area ). In the past century, relatively most of Croatian residents bearing this family name were born in Lepoglava area and in Bjelovar.
Prevalence
About 40 people with faimily name Loinjak live in Croatia today, in 19 households. They are only located in in 6 Croatian cities and 5 other places, mostly in Josipovac (15), Koprivnica (<10), Jezovec in Lepoglava area (<10), Luzani Zagorski in Krapina area (<10), and in Bjelovar (<5).
Outside Croatia
Family name Loinjak is present in this form only in Croatia.