In Croatia, Klečić families are almost entirely Croats (from Sisak ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and Velika Gorica. In Ogulinec in Velika Gorica every sixth inhabitant had the family name Klečić.
Prevalence
About 30 people with faimily name Klečić live in Croatia today, in 16 households. There were 50 of them in the middle of the past century, and their number decreased by 30 percent. They are located in four Croatian counties, in 6 cities and four other places, mostly in Sisak (<10), Fazana (<5), Ogulinec (<5), Petrinja (<5), and in Kutina (<5).
Outside Croatia
Family name Klečić is present in two countries on two continents. The family name "Klecic " is used by small number of people in the United States.