Luketin families are Croats and they are mostly from Kastel Sucurac. In the past century, relatively most of Croatian residents bearing this family name were born in Split and Kastel Sucurac. U Gradu Kaštel Sućurcu every seventieth inhabitant had the family name Luketin.
Prevalence
About 100 people with faimily name Luketin live in Croatia today, in 40 households. There were 70 of them in the middle of the past century, and their number increased by 30 percent. They are located in threee Croatian counties and 8 other places, mostly in Kastel Sucurac (45), Split (35), Zagreb (<10), Stari Grad on the Island of Hvar (<5), and in Trogir (<5).
Outside Croatia
Family name Luketin is present in four countries on four continents. The family name "Luketin " 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 few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.