Bartolčić families are Croats and they are mostly from Bjelovar area. In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar area and in Zagreb.
Prevalence
About 90 people with faimily name Bartolčić live in Croatia today, in 40 households. There were 120 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 6 Croatian counties, in 8 cities and 11 other places, mostly in Bjelovar (20), Ivanska in Bjelovar area (<10), Rijeka (<10), Stara Ploscica in Bjelovar area (<10), and in Karlovac (<10).
Outside Croatia
Family name Bartolčić is present in 7 countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1691 in source Catholic Church Parish Records.