In Croatia, Jelkovac families are Croats (from Karlovac ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and Zagreb.
Prevalence
About 30 people with faimily name Jelkovac live in Croatia today, in 15 households. There were 70 of them in the middle of the past century, and their number decreased significantly. They are located in four Croatian counties and 6 other places, mostly in Karlovac (15), Ribari (<10), Zagreb (<10), Banska Selnica (<10), and in Recica (<5).
Outside Croatia
Family name Jelkovac is present in four countries on three continents. The family name "Jelkovac " is used by small number of people in the United States. "Yelkovac " is used by few people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1928 in source Emigration Commission Zagreb.