In Croatia, Rotkvić families are Croats (from Ivanic-Grad area ). In the past century, relatively most of Croatian residents bearing this family name were born in Ivanic-Grad area and in Zagreb.
Prevalence
About 30 people with faimily name Rotkvić live in Croatia today, in 16 households. There were 70 of them in the middle of the past century, and their number decreased significantly. They are located in only five naselja i to in Zagreb (15), Klostar Ivanic in Ivanic-Grad area (<10), Pazin (<5), and in Zetkan (<5) and Mostari (<5) in Vrbovec area.
Outside Croatia
Family name Rotkvić (including: Rotkvic , Rotkvich ) is present in four countries on two continents. "Rotkvich " 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 over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.