In Croatia, Špančić families are generally Croats (from Hrvatska Kostajnica area ), very rarely Serbs, and barely Montenegrins (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Hrvatska Kostajnica area and in Pakrac.
Prevalence
About 50 people with faimily name Špančić live in Croatia today, in 20 households. There were 50 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, in 6 cities and 7 other places, mostly in Zagreb (15), Zamlaca in Hrvatska Kostajnica area (<10), Pakrac (<10), Sesvete (<10), and in Hrvatska Kostajnica (<10).
Outside Croatia
Family name Špančić is present in three countries on three continents. The family name "Spancic " is used by small number of people in the United States.