Družinić families are Croats and they are mostly from Ludbreg area. In the past century, relatively most of Croatian residents bearing this family name were born in Ludbreg area and in Varazdin. In Kaštelanec in Ludbreg area every ninth inhabitant had the family name Družinić.
Prevalence
About 80 people with faimily name Družinić live in Croatia today, in 30 households. There were 80 of them in the middle of the past century, and their number remains constant. They are located in two Croatian counties, threee cities and 7 other places, mostly in Zagreb (20), Varazdin (15), Turcin in Varazdin area (15), and in Kastelanec (10) and Jalzabet (<10) in Ludbreg area.
Outside Croatia
Family name Družinić is present in this form only in Croatia.
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.