In Croatia, Šikoronja families are Croats (from Zapresic area ), barely Slovenes. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Slovenia.
Prevalence
About 70 people with faimily name Šikoronja live in Croatia today, in 30 households. There were 90 of them in the middle of the past century, and their number decreased by 20 percent. They are located and 8 other Croatian places, mostly in Senkovec in Zapresic area (15), Zagreb (15), Pologi in Klanjec area (<10), Marija Gorica in Zapresic area (<5), and in Rijeka (<5).
Outside Croatia
Family name Šikoronja is present in this form only in Croatia.