In Croatia, Lečković families are Croats (from Bjelovar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Banja Luka Region, Bosnia (Banja Luka area).
Prevalence
Only a few people with faimily name Lečković live in Croatia today, in three households only. They are located in only threee naselja i to in Zadar (<10), Rijeka (<5), and in Bulinac in Bjelovar area (<5).
Outside Croatia
Family name Lečković (including: Leckovic , Leckowicz ) is present in five countries on two continents. "Leckowicz " is used by small number of people in the United States.