Lučan 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 Velika Gorica and in Vinkovci area. In Šiljakovina in Velika Gorica every fifth inhabitant had the family name Lučan.
About 280 people with faimily name Lučan live in Croatia today, in 110 households. There were 260 of them in the middle of the past century, and their number increased by 10 percent. They are located in the most of Croatian counties, in 13 cities and 30 other places, mostly in Velika Gorica (30), Siljakovina (20), Sisak (20), Odra Sisacka (15), and in Dalj in Vinkovci area (15).