In Croatia, Štorc families are Croats (from Osijek ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek area and in Osijek.
Prevalence
Only a few people with faimily name Štorc live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in two Croatian cities only, in Osijek (<10) and Garbina (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1923 in source Emigration Commission Zagreb.