Krković families are mainly Croats and they are mostly from Sisak , often Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Glina and Sisak. In Stankovac in Glina every seventh inhabitant had the family name Krković.
Prevalence
About 80 people with faimily name Krković live in Croatia today, in 40 households. There were 130 of them in the middle of the past century, and their number decreased by 40 percent. They are only located in in 7 Croatian cities and 15 other places, mostly in Zagreb (20), Mali Gradac (15), Osijek (<10), Sisak (<10), and in Budimci in Nasice area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.