Krilčić families are Croats and they are mostly from Velika Gorica. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Velika Gorica.
Prevalence
About 110 people with faimily name Krilčić live in Croatia today, in 50 households. There were 120 of them in the middle of the past century, and their number decreased by 10 percent. They are located in four Croatian counties, four cities and four other places, mostly in Velika Mlaka (55), Velika Gorica (35), Zagreb (20), Lipovac Majur (<10), and in Daruvar (<5).
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Krilčić (including: Krilcic , Krilcich ) is present in 6 countries on three continents. "Krilcich " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.