Mihaljek families are Croats and they are mostly from Zapresic area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Varazdin.
Prevalence
About 70 people with faimily name Mihaljek live in Croatia today, in 30 households. There were 120 of them in the middle of the past century, and their number decreased by 50 percent. They are located in 7 Croatian counties, in 6 cities and 8 other places, mostly in Zagreb (25), Novi Marof (<10), Osijek (<10), Jakovlje in Zapresic area (<10), and in Vele Mune in Opatija area (<10).
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.